21855266

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{3793}}^1$

素因数の和:3905

約数の個数: 16

約数和(自身を含む): 34054944

約数和(自身を除く): 12199678

約数列:

[1, 2, 43, 67, 86, 134, 2881, 3793, 5762, 7586, 163099, 254131, 326198, 508262, 10927633, 21855266]

約数ペア:

[(1, 21855266), (2, 10927633), (43, 508262), (67, 326198), (86, 254131), (134, 163099), (2881, 7586), (3793, 5762)]