21335612

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{1193}}^1$

素因数の和:1477

約数の個数: 24

約数和(自身を含む): 39717216

約数和(自身を除く): 18381604

約数列:

[1, 2, 4, 17, 34, 68, 263, 526, 1052, 1193, 2386, 4471, 4772, 8942, 17884, 20281, 40562, 81124, 313759, 627518, 1255036, 5333903, 10667806, 21335612]

約数ペア:

[(1, 21335612), (2, 10667806), (4, 5333903), (17, 1255036), (34, 627518), (68, 313759), (263, 81124), (526, 40562), (1052, 20281), (1193, 17884), (2386, 8942), (4471, 4772)]