21474974

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{3727}}^1$

素因数の和:3839

約数の個数: 16

約数和(自身を含む): 33462528

約数和(自身を除く): 11987554

約数列:

[1, 2, 43, 67, 86, 134, 2881, 3727, 5762, 7454, 160261, 249709, 320522, 499418, 10737487, 21474974]

約数ペア:

[(1, 21474974), (2, 10737487), (43, 499418), (67, 320522), (86, 249709), (134, 160261), (2881, 7454), (3727, 5762)]