21460336

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{25307}}^1$

素因数の和:25368

約数の個数: 20

約数和(自身を含む): 42365592

約数和(自身を除く): 20905256

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 25307, 50614, 101228, 202456, 404912, 1341271, 2682542, 5365084, 10730168, 21460336]

約数ペア:

[(1, 21460336), (2, 10730168), (4, 5365084), (8, 2682542), (16, 1341271), (53, 404912), (106, 202456), (212, 101228), (424, 50614), (848, 25307)]