21863816

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{210229}}^1$

素因数の和:210248

約数の個数: 16

約数和(自身を含む): 44148300

約数和(自身を除く): 22284484

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 210229, 420458, 840916, 1681832, 2732977, 5465954, 10931908, 21863816]

約数ペア:

[(1, 21863816), (2, 10931908), (4, 5465954), (8, 2732977), (13, 1681832), (26, 840916), (52, 420458), (104, 210229)]