21727923

素因数分解:

$3^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{1871}}^1$

素因数の和:1967

約数の個数: 24

約数和(自身を含む): 34145280

約数和(自身を除く): 12417357

約数列:

[1, 3, 7, 21, 49, 79, 147, 237, 553, 1659, 1871, 3871, 5613, 11613, 13097, 39291, 91679, 147809, 275037, 443427, 1034663, 3103989, 7242641, 21727923]

約数ペア:

[(1, 21727923), (3, 7242641), (7, 3103989), (21, 1034663), (49, 443427), (79, 275037), (147, 147809), (237, 91679), (553, 39291), (1659, 13097), (1871, 11613), (3871, 5613)]