21000613920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{8269}}^1$

素因数の和:8348

約数の個数: 384

約数和(自身を含む): 79827068160

約数和(自身を除く): 58826454240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 16, 20, 22, 24, 26, 30, 32, 33, 37, 39, 40, 44, 48, 52, 55, 60, 65, 66, 74, 78, 80, 88, 96, 104, 110, 111, 120, 130, 132, 143, 148, 156, 160, 165, 176, 185, 195, 208, 220, 222, 240, 260, 264, 286, 296, 312, 330, 352, 370, 390, 407, 416, 429, 440, 444, 480, 481, 520, 528, 555, 572, 592, 624, 660, 715, 740, 780, 814, 858, 880, 888, 962, 1040, 1056, 1110, 1144, 1184, 1221, 1248, 1320, 1430, 1443, 1480, 1560, 1628, 1716, 1760, 1776, 1924, 2035, 2080, 2145, 2220, 2288, 2405, 2442, 2640, 2860, 2886, 2960, 3120, 3256, 3432, 3552, 3848, 4070, 4290, 4440, 4576, 4810, 4884, 5280, 5291, 5720, 5772, 5920, 6105, 6240, 6512, 6864, 7215, 7696, 8140, 8269, 8580, 8880, 9620, 9768, 10582, 11440, 11544, 12210, 13024, 13728, 14430, 15392, 15873, 16280, 16538, 17160, 17760, 19240, 19536, 21164, 22880, 23088, 24420, 24807, 26455, 28860, 31746, 32560, 33076, 34320, 38480, 39072, 41345, 42328, 46176, 48840, 49614, 52910, 57720, 63492, 65120, 66152, 68640, 76960, 79365, 82690, 84656, 90959, 97680, 99228, 105820, 107497, 115440, 124035, 126984, 132304, 158730, 165380, 169312, 181918, 195360, 198456, 211640, 214994, 230880, 248070, 253968, 264608, 272877, 305953, 317460, 322491, 330760, 363836, 396912, 423280, 429988, 454795, 496140, 507936, 537485, 545754, 611906, 634920, 644982, 661520, 727672, 793824, 846560, 859976, 909590, 917859, 992280, 1074970, 1091508, 1182467, 1223812, 1269840, 1289964, 1323040, 1364385, 1455344, 1529765, 1612455, 1719952, 1819180, 1835718, 1984560, 2149940, 2183016, 2364934, 2447624, 2539680, 2579928, 2728770, 2910688, 3059530, 3224910, 3365483, 3439904, 3547401, 3638360, 3671436, 3969120, 3977389, 4299880, 4366032, 4589295, 4729868, 4895248, 5159856, 5457540, 5912335, 6119060, 6449820, 6730966, 7094802, 7276720, 7342872, 7954778, 8599760, 8732064, 9178590, 9459736, 9790496, 10096449, 10319712, 10915080, 11824670, 11932167, 12238120, 12899640, 13461932, 14189604, 14553440, 14685744, 15909556, 16827415, 17199520, 17737005, 18357180, 18919472, 19886945, 20192898, 21830160, 23649340, 23864334, 24476240, 25799280, 26923864, 28379208, 29371488, 31819112, 33654830, 35474010, 36714360, 37838944, 39773890, 40385796, 43660320, 43751279, 47298680, 47728668, 48952480, 50482245, 51598560, 53847728, 56758416, 59660835, 63638224, 67309660, 70948020, 73428720, 79547780, 80771592, 87502558, 94597360, 95457336, 100964490, 107695456, 113516832, 119321670, 127276448, 131253837, 134619320, 141896040, 146857440, 159095560, 161543184, 175005116, 189194720, 190914672, 201928980, 218756395, 238643340, 262507674, 269238640, 283792080, 318191120, 323086368, 350010232, 381829344, 403857960, 437512790, 477286680, 525015348, 538477280, 567584160, 636382240, 656269185, 700020464, 807715920, 875025580, 954573360, 1050030696, 1312538370, 1400040928, 1615431840, 1750051160, 1909146720, 2100061392, 2625076740, 3500102320, 4200122784, 5250153480, 7000204640, 10500306960, 21000613920]

約数ペア:

[(1, 21000613920), (2, 10500306960), (3, 7000204640), (4, 5250153480), (5, 4200122784), (6, 3500102320), (8, 2625076740), (10, 2100061392), (11, 1909146720), (12, 1750051160), (13, 1615431840), (15, 1400040928), (16, 1312538370), (20, 1050030696), (22, 954573360), (24, 875025580), (26, 807715920), (30, 700020464), (32, 656269185), (33, 636382240), (37, 567584160), (39, 538477280), (40, 525015348), (44, 477286680), (48, 437512790), (52, 403857960), (55, 381829344), (60, 350010232), (65, 323086368), (66, 318191120), (74, 283792080), (78, 269238640), (80, 262507674), (88, 238643340), (96, 218756395), (104, 201928980), (110, 190914672), (111, 189194720), (120, 175005116), (130, 161543184), (132, 159095560), (143, 146857440), (148, 141896040), (156, 134619320), (160, 131253837), (165, 127276448), (176, 119321670), (185, 113516832), (195, 107695456), (208, 100964490), (220, 95457336), (222, 94597360), (240, 87502558), (260, 80771592), (264, 79547780), (286, 73428720), (296, 70948020), (312, 67309660), (330, 63638224), (352, 59660835), (370, 56758416), (390, 53847728), (407, 51598560), (416, 50482245), (429, 48952480), (440, 47728668), (444, 47298680), (480, 43751279), (481, 43660320), (520, 40385796), (528, 39773890), (555, 37838944), (572, 36714360), (592, 35474010), (624, 33654830), (660, 31819112), (715, 29371488), (740, 28379208), (780, 26923864), (814, 25799280), (858, 24476240), (880, 23864334), (888, 23649340), (962, 21830160), (1040, 20192898), (1056, 19886945), (1110, 18919472), (1144, 18357180), (1184, 17737005), (1221, 17199520), (1248, 16827415), (1320, 15909556), (1430, 14685744), (1443, 14553440), (1480, 14189604), (1560, 13461932), (1628, 12899640), (1716, 12238120), (1760, 11932167), (1776, 11824670), (1924, 10915080), (2035, 10319712), (2080, 10096449), (2145, 9790496), (2220, 9459736), (2288, 9178590), (2405, 8732064), (2442, 8599760), (2640, 7954778), (2860, 7342872), (2886, 7276720), (2960, 7094802), (3120, 6730966), (3256, 6449820), (3432, 6119060), (3552, 5912335), (3848, 5457540), (4070, 5159856), (4290, 4895248), (4440, 4729868), (4576, 4589295), (4810, 4366032), (4884, 4299880), (5280, 3977389), (5291, 3969120), (5720, 3671436), (5772, 3638360), (5920, 3547401), (6105, 3439904), (6240, 3365483), (6512, 3224910), (6864, 3059530), (7215, 2910688), (7696, 2728770), (8140, 2579928), (8269, 2539680), (8580, 2447624), (8880, 2364934), (9620, 2183016), (9768, 2149940), (10582, 1984560), (11440, 1835718), (11544, 1819180), (12210, 1719952), (13024, 1612455), (13728, 1529765), (14430, 1455344), (15392, 1364385), (15873, 1323040), (16280, 1289964), (16538, 1269840), (17160, 1223812), (17760, 1182467), (19240, 1091508), (19536, 1074970), (21164, 992280), (22880, 917859), (23088, 909590), (24420, 859976), (24807, 846560), (26455, 793824), (28860, 727672), (31746, 661520), (32560, 644982), (33076, 634920), (34320, 611906), (38480, 545754), (39072, 537485), (41345, 507936), (42328, 496140), (46176, 454795), (48840, 429988), (49614, 423280), (52910, 396912), (57720, 363836), (63492, 330760), (65120, 322491), (66152, 317460), (68640, 305953), (76960, 272877), (79365, 264608), (82690, 253968), (84656, 248070), (90959, 230880), (97680, 214994), (99228, 211640), (105820, 198456), (107497, 195360), (115440, 181918), (124035, 169312), (126984, 165380), (132304, 158730)]