21874320

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1$

素因数の和:95

約数の個数: 320

約数和(自身を含む): 87494400

約数和(自身を除く): 65620080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 19, 20, 24, 26, 27, 30, 36, 38, 39, 40, 41, 45, 48, 52, 54, 57, 60, 65, 72, 76, 78, 80, 82, 90, 95, 104, 108, 114, 117, 120, 123, 130, 135, 144, 152, 156, 164, 171, 180, 190, 195, 205, 208, 216, 228, 234, 240, 246, 247, 260, 270, 285, 304, 312, 328, 342, 351, 360, 369, 380, 390, 410, 432, 456, 468, 492, 494, 513, 520, 533, 540, 570, 585, 615, 624, 656, 684, 702, 720, 738, 741, 760, 779, 780, 820, 855, 912, 936, 984, 988, 1026, 1040, 1066, 1080, 1107, 1140, 1170, 1230, 1235, 1368, 1404, 1476, 1482, 1520, 1558, 1560, 1599, 1640, 1710, 1755, 1845, 1872, 1968, 1976, 2052, 2132, 2160, 2214, 2223, 2280, 2337, 2340, 2460, 2470, 2565, 2665, 2736, 2808, 2952, 2964, 3116, 3120, 3198, 3280, 3420, 3510, 3690, 3705, 3895, 3952, 4104, 4264, 4428, 4446, 4560, 4674, 4680, 4797, 4920, 4940, 5130, 5330, 5535, 5616, 5904, 5928, 6232, 6396, 6669, 6840, 7011, 7020, 7380, 7410, 7790, 7995, 8208, 8528, 8856, 8892, 9348, 9360, 9594, 9840, 9880, 10127, 10260, 10660, 11070, 11115, 11685, 11856, 12464, 12792, 13338, 13680, 14022, 14040, 14391, 14760, 14820, 15580, 15990, 17712, 17784, 18696, 19188, 19760, 20254, 20520, 21033, 21320, 22140, 22230, 23370, 23985, 25584, 26676, 28044, 28080, 28782, 29520, 29640, 30381, 31160, 31980, 33345, 35055, 35568, 37392, 38376, 40508, 41040, 42066, 42640, 44280, 44460, 46740, 47970, 50635, 53352, 56088, 57564, 59280, 60762, 62320, 63960, 66690, 70110, 71955, 76752, 81016, 84132, 88560, 88920, 91143, 93480, 95940, 101270, 105165, 106704, 112176, 115128, 121524, 127920, 133380, 140220, 143910, 151905, 162032, 168264, 177840, 182286, 186960, 191880, 202540, 210330, 230256, 243048, 266760, 273429, 280440, 287820, 303810, 336528, 364572, 383760, 405080, 420660, 455715, 486096, 533520, 546858, 560880, 575640, 607620, 729144, 810160, 841320, 911430, 1093716, 1151280, 1215240, 1367145, 1458288, 1682640, 1822860, 2187432, 2430480, 2734290, 3645720, 4374864, 5468580, 7291440, 10937160, 21874320]

約数ペア:

[(1, 21874320), (2, 10937160), (3, 7291440), (4, 5468580), (5, 4374864), (6, 3645720), (8, 2734290), (9, 2430480), (10, 2187432), (12, 1822860), (13, 1682640), (15, 1458288), (16, 1367145), (18, 1215240), (19, 1151280), (20, 1093716), (24, 911430), (26, 841320), (27, 810160), (30, 729144), (36, 607620), (38, 575640), (39, 560880), (40, 546858), (41, 533520), (45, 486096), (48, 455715), (52, 420660), (54, 405080), (57, 383760), (60, 364572), (65, 336528), (72, 303810), (76, 287820), (78, 280440), (80, 273429), (82, 266760), (90, 243048), (95, 230256), (104, 210330), (108, 202540), (114, 191880), (117, 186960), (120, 182286), (123, 177840), (130, 168264), (135, 162032), (144, 151905), (152, 143910), (156, 140220), (164, 133380), (171, 127920), (180, 121524), (190, 115128), (195, 112176), (205, 106704), (208, 105165), (216, 101270), (228, 95940), (234, 93480), (240, 91143), (246, 88920), (247, 88560), (260, 84132), (270, 81016), (285, 76752), (304, 71955), (312, 70110), (328, 66690), (342, 63960), (351, 62320), (360, 60762), (369, 59280), (380, 57564), (390, 56088), (410, 53352), (432, 50635), (456, 47970), (468, 46740), (492, 44460), (494, 44280), (513, 42640), (520, 42066), (533, 41040), (540, 40508), (570, 38376), (585, 37392), (615, 35568), (624, 35055), (656, 33345), (684, 31980), (702, 31160), (720, 30381), (738, 29640), (741, 29520), (760, 28782), (779, 28080), (780, 28044), (820, 26676), (855, 25584), (912, 23985), (936, 23370), (984, 22230), (988, 22140), (1026, 21320), (1040, 21033), (1066, 20520), (1080, 20254), (1107, 19760), (1140, 19188), (1170, 18696), (1230, 17784), (1235, 17712), (1368, 15990), (1404, 15580), (1476, 14820), (1482, 14760), (1520, 14391), (1558, 14040), (1560, 14022), (1599, 13680), (1640, 13338), (1710, 12792), (1755, 12464), (1845, 11856), (1872, 11685), (1968, 11115), (1976, 11070), (2052, 10660), (2132, 10260), (2160, 10127), (2214, 9880), (2223, 9840), (2280, 9594), (2337, 9360), (2340, 9348), (2460, 8892), (2470, 8856), (2565, 8528), (2665, 8208), (2736, 7995), (2808, 7790), (2952, 7410), (2964, 7380), (3116, 7020), (3120, 7011), (3198, 6840), (3280, 6669), (3420, 6396), (3510, 6232), (3690, 5928), (3705, 5904), (3895, 5616), (3952, 5535), (4104, 5330), (4264, 5130), (4428, 4940), (4446, 4920), (4560, 4797), (4674, 4680)]