21449492

素因数分解:

$2^2\times {\mathrm{37}}^2\times {\mathrm{3917}}^1$

素因数の和:3995

約数の個数: 18

約数和(自身を含む): 38588382

約数和(自身を除く): 17138890

約数列:

[1, 2, 4, 37, 74, 148, 1369, 2738, 3917, 5476, 7834, 15668, 144929, 289858, 579716, 5362373, 10724746, 21449492]

約数ペア:

[(1, 21449492), (2, 10724746), (4, 5362373), (37, 579716), (74, 289858), (148, 144929), (1369, 15668), (2738, 7834), (3917, 5476)]