21403435

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{797}}^1$

素因数の和:974

約数の個数: 16

約数和(自身を含む): 26544672

約数和(自身を除く): 5141237

約数列:

[1, 5, 41, 131, 205, 655, 797, 3985, 5371, 26855, 32677, 104407, 163385, 522035, 4280687, 21403435]

約数ペア:

[(1, 21403435), (5, 4280687), (41, 522035), (131, 163385), (205, 104407), (655, 32677), (797, 26855), (3985, 5371)]