21611043

素因数分解:

$3^4\times {\mathrm{479}}^1\times {\mathrm{557}}^1$

素因数の和:1048

約数の個数: 20

約数和(自身を含む): 32408640

約数和(自身を除く): 10797597

約数列:

[1, 3, 9, 27, 81, 479, 557, 1437, 1671, 4311, 5013, 12933, 15039, 38799, 45117, 266803, 800409, 2401227, 7203681, 21611043]

約数ペア:

[(1, 21611043), (3, 7203681), (9, 2401227), (27, 800409), (81, 266803), (479, 45117), (557, 38799), (1437, 15039), (1671, 12933), (4311, 5013)]