21534240

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1$

素因数の和:84

約数の個数: 384

約数和(自身を含む): 91445760

約数和(自身を除く): 69911520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 17, 20, 21, 24, 26, 28, 29, 30, 32, 34, 35, 39, 40, 42, 48, 51, 52, 56, 58, 60, 65, 68, 70, 78, 80, 84, 85, 87, 91, 96, 102, 104, 105, 112, 116, 119, 120, 130, 136, 140, 145, 156, 160, 168, 170, 174, 182, 195, 203, 204, 208, 210, 221, 224, 232, 238, 240, 255, 260, 272, 273, 280, 290, 312, 336, 340, 348, 357, 364, 377, 390, 406, 408, 416, 420, 435, 442, 455, 464, 476, 480, 493, 510, 520, 544, 546, 560, 580, 595, 609, 624, 663, 672, 680, 696, 714, 728, 754, 780, 812, 816, 840, 870, 884, 910, 928, 952, 986, 1015, 1020, 1040, 1092, 1105, 1120, 1131, 1160, 1190, 1218, 1248, 1326, 1360, 1365, 1392, 1428, 1456, 1479, 1508, 1547, 1560, 1624, 1632, 1680, 1740, 1768, 1785, 1820, 1885, 1904, 1972, 2030, 2040, 2080, 2184, 2210, 2262, 2320, 2380, 2436, 2465, 2639, 2652, 2720, 2730, 2784, 2856, 2912, 2958, 3016, 3045, 3094, 3120, 3248, 3315, 3360, 3451, 3480, 3536, 3570, 3640, 3770, 3808, 3944, 4060, 4080, 4368, 4420, 4524, 4640, 4641, 4760, 4872, 4930, 5278, 5304, 5460, 5655, 5712, 5916, 6032, 6090, 6188, 6240, 6409, 6496, 6630, 6902, 6960, 7072, 7140, 7280, 7395, 7540, 7735, 7888, 7917, 8120, 8160, 8736, 8840, 9048, 9282, 9520, 9744, 9860, 10353, 10556, 10608, 10920, 11310, 11424, 11832, 12064, 12180, 12376, 12818, 13195, 13260, 13804, 13920, 14280, 14560, 14790, 15080, 15470, 15776, 15834, 16240, 17255, 17680, 18096, 18564, 19040, 19227, 19488, 19720, 20706, 21112, 21216, 21840, 22620, 23205, 23664, 24360, 24752, 25636, 26390, 26520, 27608, 28560, 29580, 30160, 30940, 31668, 32045, 32480, 34510, 35360, 36192, 37128, 38454, 39440, 39585, 41412, 42224, 43680, 44863, 45240, 46410, 47328, 48720, 49504, 51272, 51765, 52780, 53040, 55216, 57120, 59160, 60320, 61880, 63336, 64090, 69020, 74256, 76908, 78880, 79170, 82824, 84448, 89726, 90480, 92820, 96135, 97440, 102544, 103530, 105560, 106080, 110432, 118320, 123760, 126672, 128180, 134589, 138040, 148512, 153816, 158340, 165648, 179452, 180960, 185640, 192270, 205088, 207060, 211120, 224315, 236640, 247520, 253344, 256360, 269178, 276080, 307632, 316680, 331296, 358904, 371280, 384540, 414120, 422240, 448630, 512720, 538356, 552160, 615264, 633360, 672945, 717808, 742560, 769080, 828240, 897260, 1025440, 1076712, 1266720, 1345890, 1435616, 1538160, 1656480, 1794520, 2153424, 2691780, 3076320, 3589040, 4306848, 5383560, 7178080, 10767120, 21534240]

約数ペア:

[(1, 21534240), (2, 10767120), (3, 7178080), (4, 5383560), (5, 4306848), (6, 3589040), (7, 3076320), (8, 2691780), (10, 2153424), (12, 1794520), (13, 1656480), (14, 1538160), (15, 1435616), (16, 1345890), (17, 1266720), (20, 1076712), (21, 1025440), (24, 897260), (26, 828240), (28, 769080), (29, 742560), (30, 717808), (32, 672945), (34, 633360), (35, 615264), (39, 552160), (40, 538356), (42, 512720), (48, 448630), (51, 422240), (52, 414120), (56, 384540), (58, 371280), (60, 358904), (65, 331296), (68, 316680), (70, 307632), (78, 276080), (80, 269178), (84, 256360), (85, 253344), (87, 247520), (91, 236640), (96, 224315), (102, 211120), (104, 207060), (105, 205088), (112, 192270), (116, 185640), (119, 180960), (120, 179452), (130, 165648), (136, 158340), (140, 153816), (145, 148512), (156, 138040), (160, 134589), (168, 128180), (170, 126672), (174, 123760), (182, 118320), (195, 110432), (203, 106080), (204, 105560), (208, 103530), (210, 102544), (221, 97440), (224, 96135), (232, 92820), (238, 90480), (240, 89726), (255, 84448), (260, 82824), (272, 79170), (273, 78880), (280, 76908), (290, 74256), (312, 69020), (336, 64090), (340, 63336), (348, 61880), (357, 60320), (364, 59160), (377, 57120), (390, 55216), (406, 53040), (408, 52780), (416, 51765), (420, 51272), (435, 49504), (442, 48720), (455, 47328), (464, 46410), (476, 45240), (480, 44863), (493, 43680), (510, 42224), (520, 41412), (544, 39585), (546, 39440), (560, 38454), (580, 37128), (595, 36192), (609, 35360), (624, 34510), (663, 32480), (672, 32045), (680, 31668), (696, 30940), (714, 30160), (728, 29580), (754, 28560), (780, 27608), (812, 26520), (816, 26390), (840, 25636), (870, 24752), (884, 24360), (910, 23664), (928, 23205), (952, 22620), (986, 21840), (1015, 21216), (1020, 21112), (1040, 20706), (1092, 19720), (1105, 19488), (1120, 19227), (1131, 19040), (1160, 18564), (1190, 18096), (1218, 17680), (1248, 17255), (1326, 16240), (1360, 15834), (1365, 15776), (1392, 15470), (1428, 15080), (1456, 14790), (1479, 14560), (1508, 14280), (1547, 13920), (1560, 13804), (1624, 13260), (1632, 13195), (1680, 12818), (1740, 12376), (1768, 12180), (1785, 12064), (1820, 11832), (1885, 11424), (1904, 11310), (1972, 10920), (2030, 10608), (2040, 10556), (2080, 10353), (2184, 9860), (2210, 9744), (2262, 9520), (2320, 9282), (2380, 9048), (2436, 8840), (2465, 8736), (2639, 8160), (2652, 8120), (2720, 7917), (2730, 7888), (2784, 7735), (2856, 7540), (2912, 7395), (2958, 7280), (3016, 7140), (3045, 7072), (3094, 6960), (3120, 6902), (3248, 6630), (3315, 6496), (3360, 6409), (3451, 6240), (3480, 6188), (3536, 6090), (3570, 6032), (3640, 5916), (3770, 5712), (3808, 5655), (3944, 5460), (4060, 5304), (4080, 5278), (4368, 4930), (4420, 4872), (4524, 4760), (4640, 4641)]