21345753

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{49757}}^1$

素因数の和:49784

約数の個数: 16

約数和(自身を含む): 33437376

約数和(自身を除く): 12091623

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 49757, 149271, 547327, 646841, 1641981, 1940523, 7115251, 21345753]

約数ペア:

[(1, 21345753), (3, 7115251), (11, 1940523), (13, 1641981), (33, 646841), (39, 547327), (143, 149271), (429, 49757)]