21562936

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{158551}}^1$

素因数の和:158574

約数の個数: 16

約数和(自身を含む): 42809040

約数和(自身を除く): 21246104

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 158551, 317102, 634204, 1268408, 2695367, 5390734, 10781468, 21562936]

約数ペア:

[(1, 21562936), (2, 10781468), (4, 5390734), (8, 2695367), (17, 1268408), (34, 634204), (68, 317102), (136, 158551)]