21680484

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{258101}}^1$

素因数の和:258115

約数の個数: 24

約数和(自身を含む): 57814848

約数和(自身を除く): 36134364

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 258101, 516202, 774303, 1032404, 1548606, 1806707, 3097212, 3613414, 5420121, 7226828, 10840242, 21680484]

約数ペア:

[(1, 21680484), (2, 10840242), (3, 7226828), (4, 5420121), (6, 3613414), (7, 3097212), (12, 1806707), (14, 1548606), (21, 1032404), (28, 774303), (42, 516202), (84, 258101)]