21104710

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{191861}}^1$

素因数の和:191879

約数の個数: 16

約数和(自身を含む): 41442192

約数和(自身を除く): 20337482

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 191861, 383722, 959305, 1918610, 2110471, 4220942, 10552355, 21104710]

約数ペア:

[(1, 21104710), (2, 10552355), (5, 4220942), (10, 2110471), (11, 1918610), (22, 959305), (55, 383722), (110, 191861)]