21810417

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{7351}}^1$

素因数の和:7420

約数の個数: 16

約数和(自身を含む): 31054848

約数和(自身を除く): 9244431

約数列:

[1, 3, 23, 43, 69, 129, 989, 2967, 7351, 22053, 169073, 316093, 507219, 948279, 7270139, 21810417]

約数ペア:

[(1, 21810417), (3, 7270139), (23, 948279), (43, 507219), (69, 316093), (129, 169073), (989, 22053), (2967, 7351)]