21177332

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{481303}}^1$

素因数の和:481318

約数の個数: 12

約数和(自身を含む): 40429536

約数和(自身を除く): 19252204

約数列:

[1, 2, 4, 11, 22, 44, 481303, 962606, 1925212, 5294333, 10588666, 21177332]

約数ペア:

[(1, 21177332), (2, 10588666), (4, 5294333), (11, 1925212), (22, 962606), (44, 481303)]