21983280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{757}}^1$

素因数の和:795

約数の個数: 120

約数和(自身を含む): 75005616

約数和(自身を除く): 53022336

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 121, 132, 165, 176, 220, 240, 242, 264, 330, 363, 440, 484, 528, 605, 660, 726, 757, 880, 968, 1210, 1320, 1452, 1514, 1815, 1936, 2271, 2420, 2640, 2904, 3028, 3630, 3785, 4542, 4840, 5808, 6056, 7260, 7570, 8327, 9084, 9680, 11355, 12112, 14520, 15140, 16654, 18168, 22710, 24981, 29040, 30280, 33308, 36336, 41635, 45420, 49962, 60560, 66616, 83270, 90840, 91597, 99924, 124905, 133232, 166540, 181680, 183194, 199848, 249810, 274791, 333080, 366388, 399696, 457985, 499620, 549582, 666160, 732776, 915970, 999240, 1099164, 1373955, 1465552, 1831940, 1998480, 2198328, 2747910, 3663880, 4396656, 5495820, 7327760, 10991640, 21983280]

約数ペア:

[(1, 21983280), (2, 10991640), (3, 7327760), (4, 5495820), (5, 4396656), (6, 3663880), (8, 2747910), (10, 2198328), (11, 1998480), (12, 1831940), (15, 1465552), (16, 1373955), (20, 1099164), (22, 999240), (24, 915970), (30, 732776), (33, 666160), (40, 549582), (44, 499620), (48, 457985), (55, 399696), (60, 366388), (66, 333080), (80, 274791), (88, 249810), (110, 199848), (120, 183194), (121, 181680), (132, 166540), (165, 133232), (176, 124905), (220, 99924), (240, 91597), (242, 90840), (264, 83270), (330, 66616), (363, 60560), (440, 49962), (484, 45420), (528, 41635), (605, 36336), (660, 33308), (726, 30280), (757, 29040), (880, 24981), (968, 22710), (1210, 18168), (1320, 16654), (1452, 15140), (1514, 14520), (1815, 12112), (1936, 11355), (2271, 9680), (2420, 9084), (2640, 8327), (2904, 7570), (3028, 7260), (3630, 6056), (3785, 5808), (4542, 4840)]