21069271318

素因数分解:

$2^1\times {\mathrm{65551}}^1\times {\mathrm{160709}}^1$

素因数の和:226262

約数の個数: 8

約数和(自身を含む): 31604585760

約数和(自身を除く): 10535314442

約数列:

[1, 2, 65551, 131102, 160709, 321418, 10534635659, 21069271318]

約数ペア:

[(1, 21069271318), (2, 10534635659), (65551, 321418), (131102, 160709)]