21096561

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{953}}^1$

素因数の和:1160

約数の個数: 16

約数和(自身を含む): 28940544

約数和(自身を除く): 7843983

約数列:

[1, 3, 47, 141, 157, 471, 953, 2859, 7379, 22137, 44791, 134373, 149621, 448863, 7032187, 21096561]

約数ペア:

[(1, 21096561), (3, 7032187), (47, 448863), (141, 149621), (157, 134373), (471, 44791), (953, 22137), (2859, 7379)]