21722781

素因数分解:

$3^1\times {\mathrm{113}}^1\times {\mathrm{139}}^1\times {\mathrm{461}}^1$

素因数の和:716

約数の個数: 16

約数和(自身を含む): 29494080

約数和(自身を除く): 7771299

約数列:

[1, 3, 113, 139, 339, 417, 461, 1383, 15707, 47121, 52093, 64079, 156279, 192237, 7240927, 21722781]

約数ペア:

[(1, 21722781), (3, 7240927), (113, 192237), (139, 156279), (339, 64079), (417, 52093), (461, 47121), (1383, 15707)]