21048830

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{191353}}^1$

素因数の和:191371

約数の個数: 16

約数和(自身を含む): 41332464

約数和(自身を除く): 20283634

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 191353, 382706, 956765, 1913530, 2104883, 4209766, 10524415, 21048830]

約数ペア:

[(1, 21048830), (2, 10524415), (5, 4209766), (10, 2104883), (11, 1913530), (22, 956765), (55, 382706), (110, 191353)]