21572280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1933}}^1$

素因数の和:1981

約数の個数: 96

約数和(自身を含む): 72408960

約数和(自身を除く): 50836680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 40, 45, 60, 62, 72, 90, 93, 120, 124, 155, 180, 186, 248, 279, 310, 360, 372, 465, 558, 620, 744, 930, 1116, 1240, 1395, 1860, 1933, 2232, 2790, 3720, 3866, 5580, 5799, 7732, 9665, 11160, 11598, 15464, 17397, 19330, 23196, 28995, 34794, 38660, 46392, 57990, 59923, 69588, 77320, 86985, 115980, 119846, 139176, 173970, 179769, 231960, 239692, 299615, 347940, 359538, 479384, 539307, 599230, 695880, 719076, 898845, 1078614, 1198460, 1438152, 1797690, 2157228, 2396920, 2696535, 3595380, 4314456, 5393070, 7190760, 10786140, 21572280]

約数ペア:

[(1, 21572280), (2, 10786140), (3, 7190760), (4, 5393070), (5, 4314456), (6, 3595380), (8, 2696535), (9, 2396920), (10, 2157228), (12, 1797690), (15, 1438152), (18, 1198460), (20, 1078614), (24, 898845), (30, 719076), (31, 695880), (36, 599230), (40, 539307), (45, 479384), (60, 359538), (62, 347940), (72, 299615), (90, 239692), (93, 231960), (120, 179769), (124, 173970), (155, 139176), (180, 119846), (186, 115980), (248, 86985), (279, 77320), (310, 69588), (360, 59923), (372, 57990), (465, 46392), (558, 38660), (620, 34794), (744, 28995), (930, 23196), (1116, 19330), (1240, 17397), (1395, 15464), (1860, 11598), (1933, 11160), (2232, 9665), (2790, 7732), (3720, 5799), (3866, 5580)]