21152583

素因数分解:

$3^4\times {\mathrm{113}}^1\times {\mathrm{2311}}^1$

素因数の和:2436

約数の個数: 20

約数和(自身を含む): 31891728

約数和(自身を除く): 10739145

約数列:

[1, 3, 9, 27, 81, 113, 339, 1017, 2311, 3051, 6933, 9153, 20799, 62397, 187191, 261143, 783429, 2350287, 7050861, 21152583]

約数ペア:

[(1, 21152583), (3, 7050861), (9, 2350287), (27, 783429), (81, 261143), (113, 187191), (339, 62397), (1017, 20799), (2311, 9153), (3051, 6933)]