21417290

素因数分解:

$2^1\times 5^1\times {\mathrm{379}}^1\times {\mathrm{5651}}^1$

素因数の和:6037

約数の個数: 16

約数和(自身を含む): 38659680

約数和(自身を除く): 17242390

約数列:

[1, 2, 5, 10, 379, 758, 1895, 3790, 5651, 11302, 28255, 56510, 2141729, 4283458, 10708645, 21417290]

約数ペア:

[(1, 21417290), (2, 10708645), (5, 4283458), (10, 2141729), (379, 56510), (758, 28255), (1895, 11302), (3790, 5651)]