21513960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4597}}^1$

素因数の和:4627

約数の個数: 96

約数和(自身を含む): 75315240

約数和(自身を除く): 53801280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 156, 180, 195, 234, 260, 312, 360, 390, 468, 520, 585, 780, 936, 1170, 1560, 2340, 4597, 4680, 9194, 13791, 18388, 22985, 27582, 36776, 41373, 45970, 55164, 59761, 68955, 82746, 91940, 110328, 119522, 137910, 165492, 179283, 183880, 206865, 239044, 275820, 298805, 330984, 358566, 413730, 478088, 537849, 551640, 597610, 717132, 827460, 896415, 1075698, 1195220, 1434264, 1654920, 1792830, 2151396, 2390440, 2689245, 3585660, 4302792, 5378490, 7171320, 10756980, 21513960]

約数ペア:

[(1, 21513960), (2, 10756980), (3, 7171320), (4, 5378490), (5, 4302792), (6, 3585660), (8, 2689245), (9, 2390440), (10, 2151396), (12, 1792830), (13, 1654920), (15, 1434264), (18, 1195220), (20, 1075698), (24, 896415), (26, 827460), (30, 717132), (36, 597610), (39, 551640), (40, 537849), (45, 478088), (52, 413730), (60, 358566), (65, 330984), (72, 298805), (78, 275820), (90, 239044), (104, 206865), (117, 183880), (120, 179283), (130, 165492), (156, 137910), (180, 119522), (195, 110328), (234, 91940), (260, 82746), (312, 68955), (360, 59761), (390, 55164), (468, 45970), (520, 41373), (585, 36776), (780, 27582), (936, 22985), (1170, 18388), (1560, 13791), (2340, 9194), (4597, 4680)]