21844989

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{1201}}^1$

素因数の和:1297

約数の個数: 24

約数和(自身を含む): 33002112

約数和(自身を除く): 11157123

約数列:

[1, 3, 9, 43, 47, 129, 141, 387, 423, 1201, 2021, 3603, 6063, 10809, 18189, 51643, 56447, 154929, 169341, 464787, 508023, 2427221, 7281663, 21844989]

約数ペア:

[(1, 21844989), (3, 7281663), (9, 2427221), (43, 508023), (47, 464787), (129, 169341), (141, 154929), (387, 56447), (423, 51643), (1201, 18189), (2021, 10809), (3603, 6063)]