21359844

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{53939}}^1$

素因数の和:53960

約数の個数: 36

約数和(自身を含む): 58902480

約数和(自身を除く): 37542636

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396, 53939, 107878, 161817, 215756, 323634, 485451, 593329, 647268, 970902, 1186658, 1779987, 1941804, 2373316, 3559974, 5339961, 7119948, 10679922, 21359844]

約数ペア:

[(1, 21359844), (2, 10679922), (3, 7119948), (4, 5339961), (6, 3559974), (9, 2373316), (11, 1941804), (12, 1779987), (18, 1186658), (22, 970902), (33, 647268), (36, 593329), (44, 485451), (66, 323634), (99, 215756), (132, 161817), (198, 107878), (396, 53939)]