21739023

素因数分解:

$3^5\times {\mathrm{137}}^1\times {\mathrm{653}}^1$

素因数の和:805

約数の個数: 24

約数和(自身を含む): 32851728

約数和(自身を除く): 11112705

約数列:

[1, 3, 9, 27, 81, 137, 243, 411, 653, 1233, 1959, 3699, 5877, 11097, 17631, 33291, 52893, 89461, 158679, 268383, 805149, 2415447, 7246341, 21739023]

約数ペア:

[(1, 21739023), (3, 7246341), (9, 2415447), (27, 805149), (81, 268383), (137, 158679), (243, 89461), (411, 52893), (653, 33291), (1233, 17631), (1959, 11097), (3699, 5877)]