2021016990111

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5065205489}}^1$

素因数の和:5065205518

約数の個数: 16

約数和(自身を含む): 3241731513600

約数和(自身を除く): 1220714523489

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 5065205489, 15195616467, 35456438423, 96238904291, 106369315269, 288716712873, 673672330037, 2021016990111]

約数ペア:

[(1, 2021016990111), (3, 673672330037), (7, 288716712873), (19, 106369315269), (21, 96238904291), (57, 35456438423), (133, 15195616467), (399, 5065205489)]