21186874

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{3677}}^1$

素因数の和:3789

約数の個数: 16

約数和(自身を含む): 33013728

約数和(自身を除く): 11826854

約数列:

[1, 2, 43, 67, 86, 134, 2881, 3677, 5762, 7354, 158111, 246359, 316222, 492718, 10593437, 21186874]

約数ペア:

[(1, 21186874), (2, 10593437), (43, 492718), (67, 316222), (86, 246359), (134, 158111), (2881, 7354), (3677, 5762)]