21025510

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{191141}}^1$

素因数の和:191159

約数の個数: 16

約数和(自身を含む): 41286672

約数和(自身を除く): 20261162

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 191141, 382282, 955705, 1911410, 2102551, 4205102, 10512755, 21025510]

約数ペア:

[(1, 21025510), (2, 10512755), (5, 4205102), (10, 2102551), (11, 1911410), (22, 955705), (55, 382282), (110, 191141)]