21842404

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{223}}^1\times {\mathrm{521}}^1$

素因数の和:795

約数の個数: 24

約数和(自身を含む): 39287808

約数和(自身を除く): 17445404

約数列:

[1, 2, 4, 47, 94, 188, 223, 446, 521, 892, 1042, 2084, 10481, 20962, 24487, 41924, 48974, 97948, 116183, 232366, 464732, 5460601, 10921202, 21842404]

約数ペア:

[(1, 21842404), (2, 10921202), (4, 5460601), (47, 464732), (94, 232366), (188, 116183), (223, 97948), (446, 48974), (521, 41924), (892, 24487), (1042, 20962), (2084, 10481)]