21085938

素因数分解:

$2^1\times 3^2\times {\mathrm{449}}^1\times {\mathrm{2609}}^1$

素因数の和:3066

約数の個数: 24

約数和(自身を含む): 45805500

約数和(自身を除く): 24719562

約数列:

[1, 2, 3, 6, 9, 18, 449, 898, 1347, 2609, 2694, 4041, 5218, 7827, 8082, 15654, 23481, 46962, 1171441, 2342882, 3514323, 7028646, 10542969, 21085938]

約数ペア:

[(1, 21085938), (2, 10542969), (3, 7028646), (6, 3514323), (9, 2342882), (18, 1171441), (449, 46962), (898, 23481), (1347, 15654), (2609, 8082), (2694, 7827), (4041, 5218)]