21426663

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{1409}}^1$

素因数の和:1586

約数の個数: 16

約数和(自身を含む): 29576160

約数和(自身を除く): 8149497

約数列:

[1, 3, 37, 111, 137, 411, 1409, 4227, 5069, 15207, 52133, 156399, 193033, 579099, 7142221, 21426663]

約数ペア:

[(1, 21426663), (3, 7142221), (37, 579099), (111, 193033), (137, 156399), (411, 52133), (1409, 15207), (4227, 5069)]