21579237

素因数分解:

$3^3\times {\mathrm{131}}^1\times {\mathrm{6101}}^1$

素因数の和:6241

約数の個数: 16

約数和(自身を含む): 32218560

約数和(自身を除く): 10639323

約数列:

[1, 3, 9, 27, 131, 393, 1179, 3537, 6101, 18303, 54909, 164727, 799231, 2397693, 7193079, 21579237]

約数ペア:

[(1, 21579237), (3, 7193079), (9, 2397693), (27, 799231), (131, 164727), (393, 54909), (1179, 18303), (3537, 6101)]