21857463

素因数分解:

$3^2\times {\mathrm{607}}^1\times {\mathrm{4001}}^1$

素因数の和:4614

約数の個数: 12

約数和(自身を含む): 31631808

約数和(自身を除く): 9774345

約数列:

[1, 3, 9, 607, 1821, 4001, 5463, 12003, 36009, 2428607, 7285821, 21857463]

約数ペア:

[(1, 21857463), (3, 7285821), (9, 2428607), (607, 36009), (1821, 12003), (4001, 5463)]