21978020009

素因数分解:

${\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{3864607}}^1$

素因数の和:3864676

約数の個数: 12

約数和(自身を含む): 24671657472

約数和(自身を除く): 2693637463

約数列:

[1, 11, 47, 121, 517, 5687, 3864607, 42510677, 181636529, 467617447, 1998001819, 21978020009]

約数ペア:

[(1, 21978020009), (11, 1998001819), (47, 467617447), (121, 181636529), (517, 42510677), (5687, 3864607)]