21293110

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{112069}}^1$

素因数の和:112095

約数の個数: 16

約数和(自身を含む): 40345200

約数和(自身を除く): 19052090

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 112069, 224138, 560345, 1120690, 2129311, 4258622, 10646555, 21293110]

約数ペア:

[(1, 21293110), (2, 10646555), (5, 4258622), (10, 2129311), (19, 1120690), (38, 560345), (95, 224138), (190, 112069)]