21083810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{191671}}^1$

素因数の和:191689

約数の個数: 16

約数和(自身を含む): 41401152

約数和(自身を除く): 20317342

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 191671, 383342, 958355, 1916710, 2108381, 4216762, 10541905, 21083810]

約数ペア:

[(1, 21083810), (2, 10541905), (5, 4216762), (10, 2108381), (11, 1916710), (22, 958355), (55, 383342), (110, 191671)]