21144734

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{18913}}^1$

素因数の和:18971

約数の個数: 16

約数和(自身を含む): 34953072

約数和(自身を除く): 13808338

約数列:

[1, 2, 13, 26, 43, 86, 559, 1118, 18913, 37826, 245869, 491738, 813259, 1626518, 10572367, 21144734]

約数ペア:

[(1, 21144734), (2, 10572367), (13, 1626518), (26, 813259), (43, 491738), (86, 245869), (559, 37826), (1118, 18913)]