21031007185

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{5783}}^1\times {\mathrm{38281}}^1$

素因数の和:44088

約数の個数: 16

約数和(自身を含む): 26570770560

約数和(自身を除く): 5539763375

約数列:

[1, 5, 19, 95, 5783, 28915, 38281, 109877, 191405, 549385, 727339, 3636695, 221379023, 1106895115, 4206201437, 21031007185]

約数ペア:

[(1, 21031007185), (5, 4206201437), (19, 1106895115), (95, 221379023), (5783, 3636695), (28915, 727339), (38281, 549385), (109877, 191405)]