21904582

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^2\times {\mathrm{557}}^1$

素因数の和:672

約数の個数: 24

約数和(自身を含む): 38341296

約数和(自身を除く): 16436714

約数列:

[1, 2, 7, 14, 53, 106, 371, 557, 742, 1114, 2809, 3899, 5618, 7798, 19663, 29521, 39326, 59042, 206647, 413294, 1564613, 3129226, 10952291, 21904582]

約数ペア:

[(1, 21904582), (2, 10952291), (7, 3129226), (14, 1564613), (53, 413294), (106, 206647), (371, 59042), (557, 39326), (742, 29521), (1114, 19663), (2809, 7798), (3899, 5618)]