21976890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1523}}^1$

素因数の和:1583

約数の個数: 64

約数和(自身を含む): 58375296

約数和(自身を除く): 36398406

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 37, 39, 65, 74, 78, 111, 130, 185, 195, 222, 370, 390, 481, 555, 962, 1110, 1443, 1523, 2405, 2886, 3046, 4569, 4810, 7215, 7615, 9138, 14430, 15230, 19799, 22845, 39598, 45690, 56351, 59397, 98995, 112702, 118794, 169053, 197990, 281755, 296985, 338106, 563510, 593970, 732563, 845265, 1465126, 1690530, 2197689, 3662815, 4395378, 7325630, 10988445, 21976890]

約数ペア:

[(1, 21976890), (2, 10988445), (3, 7325630), (5, 4395378), (6, 3662815), (10, 2197689), (13, 1690530), (15, 1465126), (26, 845265), (30, 732563), (37, 593970), (39, 563510), (65, 338106), (74, 296985), (78, 281755), (111, 197990), (130, 169053), (185, 118794), (195, 112702), (222, 98995), (370, 59397), (390, 56351), (481, 45690), (555, 39598), (962, 22845), (1110, 19799), (1443, 15230), (1523, 14430), (2405, 9138), (2886, 7615), (3046, 7215), (4569, 4810)]