21047510

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{191341}}^1$

素因数の和:191359

約数の個数: 16

約数和(自身を含む): 41329872

約数和(自身を除く): 20282362

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 191341, 382682, 956705, 1913410, 2104751, 4209502, 10523755, 21047510]

約数ペア:

[(1, 21047510), (2, 10523755), (5, 4209502), (10, 2104751), (11, 1913410), (22, 956705), (55, 382682), (110, 191341)]