21877977

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{22861}}^1$

素因数の和:22904

約数の個数: 16

約数和(自身を含む): 32921280

約数和(自身を除く): 11043303

約数列:

[1, 3, 11, 29, 33, 87, 319, 957, 22861, 68583, 251471, 662969, 754413, 1988907, 7292659, 21877977]

約数ペア:

[(1, 21877977), (3, 7292659), (11, 1988907), (29, 754413), (33, 662969), (87, 251471), (319, 68583), (957, 22861)]