21052658

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{30869}}^1$

素因数の和:30913

約数の個数: 16

約数和(自身を含む): 35562240

約数和(自身を除く): 14509582

約数列:

[1, 2, 11, 22, 31, 62, 341, 682, 30869, 61738, 339559, 679118, 956939, 1913878, 10526329, 21052658]

約数ペア:

[(1, 21052658), (2, 10526329), (11, 1913878), (22, 956939), (31, 679118), (62, 339559), (341, 61738), (682, 30869)]