21162616

素因数分解:

$2^3\times {\mathrm{163}}^1\times {\mathrm{16229}}^1$

素因数の和:16398

約数の個数: 16

約数和(自身を含む): 39925800

約数和(自身を除く): 18763184

約数列:

[1, 2, 4, 8, 163, 326, 652, 1304, 16229, 32458, 64916, 129832, 2645327, 5290654, 10581308, 21162616]

約数ペア:

[(1, 21162616), (2, 10581308), (4, 5290654), (8, 2645327), (163, 129832), (326, 64916), (652, 32458), (1304, 16229)]