21086574

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{49499}}^1$

素因数の和:49575

約数の個数: 16

約数和(自身を含む): 42768000

約数和(自身を除く): 21681426

約数列:

[1, 2, 3, 6, 71, 142, 213, 426, 49499, 98998, 148497, 296994, 3514429, 7028858, 10543287, 21086574]

約数ペア:

[(1, 21086574), (2, 10543287), (3, 7028858), (6, 3514429), (71, 296994), (142, 148497), (213, 98998), (426, 49499)]