21043226

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{2963}}^1$

素因数の和:3085

約数の個数: 16

約数和(自身を含む): 32651424

約数和(自身を除く): 11608198

約数列:

[1, 2, 53, 67, 106, 134, 2963, 3551, 5926, 7102, 157039, 198521, 314078, 397042, 10521613, 21043226]

約数ペア:

[(1, 21043226), (2, 10521613), (53, 397042), (67, 314078), (106, 198521), (134, 157039), (2963, 7102), (3551, 5926)]