21493059621

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{277}}^1\times {\mathrm{2351281}}^1$

素因数の和:2351572

約数の個数: 16

約数和(自身を含む): 31375507008

約数和(自身を除く): 9882447387

約数列:

[1, 3, 11, 33, 277, 831, 3047, 9141, 2351281, 7053843, 25864091, 77592273, 651304837, 1953914511, 7164353207, 21493059621]

約数ペア:

[(1, 21493059621), (3, 7164353207), (11, 1953914511), (33, 651304837), (277, 77592273), (831, 25864091), (3047, 7053843), (9141, 2351281)]