21961131

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{4877}}^1$

素因数の和:4978

約数の個数: 16

約数和(自身を含む): 31219200

約数和(自身を除く): 9258069

約数列:

[1, 3, 19, 57, 79, 237, 1501, 4503, 4877, 14631, 92663, 277989, 385283, 1155849, 7320377, 21961131]

約数ペア:

[(1, 21961131), (3, 7320377), (19, 1155849), (57, 385283), (79, 277989), (237, 92663), (1501, 14631), (4503, 4877)]