21402051

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{773}}^1\times {\mathrm{839}}^1$

素因数の和:1626

約数の個数: 16

約数和(自身を含む): 31207680

約数和(自身を除く): 9805629

約数列:

[1, 3, 11, 33, 773, 839, 2319, 2517, 8503, 9229, 25509, 27687, 648547, 1945641, 7134017, 21402051]

約数ペア:

[(1, 21402051), (3, 7134017), (11, 1945641), (33, 648547), (773, 27687), (839, 25509), (2319, 9229), (2517, 8503)]