21000407039

素因数分解:

${\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{1031}}^1\times {\mathrm{6577}}^1$

素因数の和:7790

約数の個数: 16

約数和(自身を含む): 22266266880

約数和(自身を除く): 1265859841

約数列:

[1, 19, 163, 1031, 3097, 6577, 19589, 124963, 168053, 1072051, 3193007, 6780887, 20368969, 128836853, 1105284581, 21000407039]

約数ペア:

[(1, 21000407039), (19, 1105284581), (163, 128836853), (1031, 20368969), (3097, 6780887), (6577, 3193007), (19589, 1072051), (124963, 168053)]