21968110

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{30941}}^1$

素因数の和:31019

約数の個数: 16

約数和(自身を含む): 40100832

約数和(自身を除く): 18132722

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 30941, 61882, 154705, 309410, 2196811, 4393622, 10984055, 21968110]

約数ペア:

[(1, 21968110), (2, 10984055), (5, 4393622), (10, 2196811), (71, 309410), (142, 154705), (355, 61882), (710, 30941)]