21642832

素因数分解:

$2^4\times {\mathrm{127}}^1\times {\mathrm{10651}}^1$

素因数の和:10786

約数の個数: 20

約数和(自身を含む): 42267136

約数和(自身を除く): 20624304

約数列:

[1, 2, 4, 8, 16, 127, 254, 508, 1016, 2032, 10651, 21302, 42604, 85208, 170416, 1352677, 2705354, 5410708, 10821416, 21642832]

約数ペア:

[(1, 21642832), (2, 10821416), (4, 5410708), (8, 2705354), (16, 1352677), (127, 170416), (254, 85208), (508, 42604), (1016, 21302), (2032, 10651)]