21250871954

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{887}}^1\times {\mathrm{921467}}^1$

素因数の和:922369

約数の個数: 16

約数和(自身を含む): 34367070528

約数和(自身を除く): 13116198574

約数列:

[1, 2, 13, 26, 887, 1774, 11531, 23062, 921467, 1842934, 11979071, 23958142, 817341229, 1634682458, 10625435977, 21250871954]

約数ペア:

[(1, 21250871954), (2, 10625435977), (13, 1634682458), (26, 817341229), (887, 23958142), (1774, 11979071), (11531, 1842934), (23062, 921467)]