21929042

素因数分解:

$2^1\times {\mathrm{137}}^1\times {\mathrm{163}}^1\times {\mathrm{491}}^1$

素因数の和:793

約数の個数: 16

約数和(自身を含む): 33404832

約数和(自身を除く): 11475790

約数列:

[1, 2, 137, 163, 274, 326, 491, 982, 22331, 44662, 67267, 80033, 134534, 160066, 10964521, 21929042]

約数ペア:

[(1, 21929042), (2, 10964521), (137, 160066), (163, 134534), (274, 80033), (326, 67267), (491, 44662), (982, 22331)]