21007047

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{233}}^1\times {\mathrm{733}}^1$

素因数の和:1010

約数の個数: 16

約数和(自身を含む): 28855008

約数和(自身を除く): 7847961

約数列:

[1, 3, 41, 123, 233, 699, 733, 2199, 9553, 28659, 30053, 90159, 170789, 512367, 7002349, 21007047]

約数ペア:

[(1, 21007047), (3, 7002349), (41, 512367), (123, 170789), (233, 90159), (699, 30053), (733, 28659), (2199, 9553)]