21670064

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{104183}}^1$

素因数の和:104204

約数の個数: 20

約数和(自身を含む): 45215856

約数和(自身を除く): 23545792

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 104183, 208366, 416732, 833464, 1354379, 1666928, 2708758, 5417516, 10835032, 21670064]

約数ペア:

[(1, 21670064), (2, 10835032), (4, 5417516), (8, 2708758), (13, 1666928), (16, 1354379), (26, 833464), (52, 416732), (104, 208366), (208, 104183)]