21566842

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{12409}}^1$

素因数の和:12501

約数の個数: 16

約数和(自身を含む): 35740800

約数和(自身を除く): 14173958

約数列:

[1, 2, 11, 22, 79, 158, 869, 1738, 12409, 24818, 136499, 272998, 980311, 1960622, 10783421, 21566842]

約数ペア:

[(1, 21566842), (2, 10783421), (11, 1960622), (22, 980311), (79, 272998), (158, 136499), (869, 24818), (1738, 12409)]