21155058

素因数分解:

$2^1\times 3^2\times {\mathrm{509}}^1\times {\mathrm{2309}}^1$

素因数の和:2826

約数の個数: 24

約数和(自身を含む): 45945900

約数和(自身を除く): 24790842

約数列:

[1, 2, 3, 6, 9, 18, 509, 1018, 1527, 2309, 3054, 4581, 4618, 6927, 9162, 13854, 20781, 41562, 1175281, 2350562, 3525843, 7051686, 10577529, 21155058]

約数ペア:

[(1, 21155058), (2, 10577529), (3, 7051686), (6, 3525843), (9, 2350562), (18, 1175281), (509, 41562), (1018, 20781), (1527, 13854), (2309, 9162), (3054, 6927), (4581, 4618)]