21156806

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{56569}}^1$

素因数の和:56599

約数の個数: 16

約数和(自身を含む): 36657360

約数和(自身を除く): 15500554

約数列:

[1, 2, 11, 17, 22, 34, 187, 374, 56569, 113138, 622259, 961673, 1244518, 1923346, 10578403, 21156806]

約数ペア:

[(1, 21156806), (2, 10578403), (11, 1923346), (17, 1244518), (22, 961673), (34, 622259), (187, 113138), (374, 56569)]