21861796313

素因数分解:

$7^1\times {\mathrm{331}}^1\times {\mathrm{1709}}^1\times {\mathrm{5521}}^1$

素因数の和:7568

約数の個数: 16

約数和(自身を含む): 25079598720

約数和(自身を除く): 3217802407

約数列:

[1, 7, 331, 1709, 2317, 5521, 11963, 38647, 565679, 1827451, 3959753, 9435389, 12792157, 66047723, 3123113759, 21861796313]

約数ペア:

[(1, 21861796313), (7, 3123113759), (331, 66047723), (1709, 12792157), (2317, 9435389), (5521, 3959753), (11963, 1827451), (38647, 565679)]