21880451638

素因数分解:

$2^1\times {\mathrm{157}}^1\times {\mathrm{8887}}^1\times {\mathrm{7841}}^1$

素因数の和:16887

約数の個数: 16

約数和(自身を含む): 33037655904

約数和(自身を除く): 11157204266

約数列:

[1, 2, 157, 314, 7841, 8887, 15682, 17774, 1231037, 1395259, 2462074, 2790518, 69682967, 139365934, 10940225819, 21880451638]

約数ペア:

[(1, 21880451638), (2, 10940225819), (157, 139365934), (314, 69682967), (7841, 2790518), (8887, 2462074), (15682, 1395259), (17774, 1231037)]