21825544

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{209861}}^1$

素因数の和:209880

約数の個数: 16

約数和(自身を含む): 44071020

約数和(自身を除く): 22245476

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 209861, 419722, 839444, 1678888, 2728193, 5456386, 10912772, 21825544]

約数ペア:

[(1, 21825544), (2, 10912772), (4, 5456386), (8, 2728193), (13, 1678888), (26, 839444), (52, 419722), (104, 209861)]