21292011

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{60661}}^1$

素因数の和:60683

約数の個数: 16

約数和(自身を含む): 33970720

約数和(自身を除く): 12678709

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 60661, 181983, 545949, 788593, 1637847, 2365779, 7097337, 21292011]

約数ペア:

[(1, 21292011), (3, 7097337), (9, 2365779), (13, 1637847), (27, 788593), (39, 545949), (117, 181983), (351, 60661)]