21527090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{3851}}^1$

素因数の和:3914

約数の個数: 32

約数和(自身を含む): 42710976

約数和(自身を除く): 21183886

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 86, 130, 215, 430, 559, 1118, 2795, 3851, 5590, 7702, 19255, 38510, 50063, 100126, 165593, 250315, 331186, 500630, 827965, 1655930, 2152709, 4305418, 10763545, 21527090]

約数ペア:

[(1, 21527090), (2, 10763545), (5, 4305418), (10, 2152709), (13, 1655930), (26, 827965), (43, 500630), (65, 331186), (86, 250315), (130, 165593), (215, 100126), (430, 50063), (559, 38510), (1118, 19255), (2795, 7702), (3851, 5590)]