21789084

素因数分解:

$2^2\times 3^1\times {\mathrm{139}}^1\times {\mathrm{13063}}^1$

素因数の和:13209

約数の個数: 24

約数和(自身を含む): 51210880

約数和(自身を除く): 29421796

約数列:

[1, 2, 3, 4, 6, 12, 139, 278, 417, 556, 834, 1668, 13063, 26126, 39189, 52252, 78378, 156756, 1815757, 3631514, 5447271, 7263028, 10894542, 21789084]

約数ペア:

[(1, 21789084), (2, 10894542), (3, 7263028), (4, 5447271), (6, 3631514), (12, 1815757), (139, 156756), (278, 78378), (417, 52252), (556, 39189), (834, 26126), (1668, 13063)]