21261201

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{2281}}^1$

素因数の和:2536

約数の個数: 16

約数和(自身を含む): 30670080

約数和(自身を除く): 9408879

約数列:

[1, 3, 13, 39, 239, 717, 2281, 3107, 6843, 9321, 29653, 88959, 545159, 1635477, 7087067, 21261201]

約数ペア:

[(1, 21261201), (3, 7087067), (13, 1635477), (39, 545159), (239, 88959), (717, 29653), (2281, 9321), (3107, 6843)]