21519030

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2399}}^1$

素因数の和:2445

約数の個数: 64

約数和(自身を含む): 58060800

約数和(自身を除く): 36541770

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 23, 26, 30, 39, 46, 65, 69, 78, 115, 130, 138, 195, 230, 299, 345, 390, 598, 690, 897, 1495, 1794, 2399, 2990, 4485, 4798, 7197, 8970, 11995, 14394, 23990, 31187, 35985, 55177, 62374, 71970, 93561, 110354, 155935, 165531, 187122, 275885, 311870, 331062, 467805, 551770, 717301, 827655, 935610, 1434602, 1655310, 2151903, 3586505, 4303806, 7173010, 10759515, 21519030]

約数ペア:

[(1, 21519030), (2, 10759515), (3, 7173010), (5, 4303806), (6, 3586505), (10, 2151903), (13, 1655310), (15, 1434602), (23, 935610), (26, 827655), (30, 717301), (39, 551770), (46, 467805), (65, 331062), (69, 311870), (78, 275885), (115, 187122), (130, 165531), (138, 155935), (195, 110354), (230, 93561), (299, 71970), (345, 62374), (390, 55177), (598, 35985), (690, 31187), (897, 23990), (1495, 14394), (1794, 11995), (2399, 8970), (2990, 7197), (4485, 4798)]