21661107

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{449}}^1\times {\mathrm{1237}}^1$

素因数の和:1702

約数の個数: 16

約数和(自身を含む): 31197600

約数和(自身を除く): 9536493

約数列:

[1, 3, 13, 39, 449, 1237, 1347, 3711, 5837, 16081, 17511, 48243, 555413, 1666239, 7220369, 21661107]

約数ペア:

[(1, 21661107), (3, 7220369), (13, 1666239), (39, 555413), (449, 48243), (1237, 17511), (1347, 16081), (3711, 5837)]