21657108

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{859}}^1$

素因数の和:1068

約数の個数: 48

約数和(自身を含む): 55480320

約数和(自身を除く): 33823212

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 191, 382, 573, 764, 859, 1146, 1718, 2101, 2292, 2577, 3436, 4202, 5154, 6303, 8404, 9449, 10308, 12606, 18898, 25212, 28347, 37796, 56694, 113388, 164069, 328138, 492207, 656276, 984414, 1804759, 1968828, 3609518, 5414277, 7219036, 10828554, 21657108]

約数ペア:

[(1, 21657108), (2, 10828554), (3, 7219036), (4, 5414277), (6, 3609518), (11, 1968828), (12, 1804759), (22, 984414), (33, 656276), (44, 492207), (66, 328138), (132, 164069), (191, 113388), (382, 56694), (573, 37796), (764, 28347), (859, 25212), (1146, 18898), (1718, 12606), (2101, 10308), (2292, 9449), (2577, 8404), (3436, 6303), (4202, 5154)]