21000643167

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{58825331}}^1$

素因数の和:58825358

約数の個数: 16

約数和(自身を含む): 33883391232

約数和(自身を除く): 12882748065

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 58825331, 176475993, 411777317, 1000030627, 1235331951, 3000091881, 7000214389, 21000643167]

約数ペア:

[(1, 21000643167), (3, 7000214389), (7, 3000091881), (17, 1235331951), (21, 1000030627), (51, 411777317), (119, 176475993), (357, 58825331)]