21928890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{521}}^1$

素因数の和:615

約数の個数: 64

約数和(自身を含む): 55924992

約数和(自身を除く): 33996102

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 61, 69, 115, 122, 138, 183, 230, 305, 345, 366, 521, 610, 690, 915, 1042, 1403, 1563, 1830, 2605, 2806, 3126, 4209, 5210, 7015, 7815, 8418, 11983, 14030, 15630, 21045, 23966, 31781, 35949, 42090, 59915, 63562, 71898, 95343, 119830, 158905, 179745, 190686, 317810, 359490, 476715, 730963, 953430, 1461926, 2192889, 3654815, 4385778, 7309630, 10964445, 21928890]

約数ペア:

[(1, 21928890), (2, 10964445), (3, 7309630), (5, 4385778), (6, 3654815), (10, 2192889), (15, 1461926), (23, 953430), (30, 730963), (46, 476715), (61, 359490), (69, 317810), (115, 190686), (122, 179745), (138, 158905), (183, 119830), (230, 95343), (305, 71898), (345, 63562), (366, 59915), (521, 42090), (610, 35949), (690, 31781), (915, 23966), (1042, 21045), (1403, 15630), (1563, 14030), (1830, 11983), (2605, 8418), (2806, 7815), (3126, 7015), (4209, 5210)]