21836493

素因数分解:

$3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3727}}^1$

素因数の和:3774

約数の個数: 32

約数和(自身を含む): 38174720

約数和(自身を除く): 16338227

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 93, 189, 217, 279, 651, 837, 1953, 3727, 5859, 11181, 26089, 33543, 78267, 100629, 115537, 234801, 346611, 704403, 808759, 1039833, 2426277, 3119499, 7278831, 21836493]

約数ペア:

[(1, 21836493), (3, 7278831), (7, 3119499), (9, 2426277), (21, 1039833), (27, 808759), (31, 704403), (63, 346611), (93, 234801), (189, 115537), (217, 100629), (279, 78267), (651, 33543), (837, 26089), (1953, 11181), (3727, 5859)]