21755463

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{1231}}^1$

素因数の和:1414

約数の個数: 16

約数和(自身を含む): 29922816

約数和(自身を除く): 8167353

約数列:

[1, 3, 43, 129, 137, 411, 1231, 3693, 5891, 17673, 52933, 158799, 168647, 505941, 7251821, 21755463]

約数ペア:

[(1, 21755463), (3, 7251821), (43, 505941), (129, 168647), (137, 158799), (411, 52933), (1231, 17673), (3693, 5891)]