21156372

素因数分解:

$2^2\times 3^2\times {\mathrm{587677}}^1$

素因数の和:587687

約数の個数: 18

約数和(自身を含む): 53478698

約数和(自身を除く): 32322326

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 587677, 1175354, 1763031, 2350708, 3526062, 5289093, 7052124, 10578186, 21156372]

約数ペア:

[(1, 21156372), (2, 10578186), (3, 7052124), (4, 5289093), (6, 3526062), (9, 2350708), (12, 1763031), (18, 1175354), (36, 587677)]