21658203

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{14947}}^1$

素因数の和:14983

約数の個数: 24

約数和(自身を含む): 37310208

約数和(自身を除く): 15652005

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 14947, 44841, 104629, 134523, 313887, 343781, 941661, 1031343, 2406467, 3094029, 7219401, 21658203]

約数ペア:

[(1, 21658203), (3, 7219401), (7, 3094029), (9, 2406467), (21, 1031343), (23, 941661), (63, 343781), (69, 313887), (161, 134523), (207, 104629), (483, 44841), (1449, 14947)]