21146037

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{15629}}^1$

素因数の和:15684

約数の個数: 16

約数和(自身を含む): 31510080

約数和(自身を除く): 10364043

約数列:

[1, 3, 11, 33, 41, 123, 451, 1353, 15629, 46887, 171919, 515757, 640789, 1922367, 7048679, 21146037]

約数ペア:

[(1, 21146037), (3, 7048679), (11, 1922367), (33, 640789), (41, 515757), (123, 171919), (451, 46887), (1353, 15629)]