21376474

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{25031}}^1$

素因数の和:25101

約数の個数: 16

約数和(自身を含む): 37247616

約数和(自身を除く): 15871142

約数列:

[1, 2, 7, 14, 61, 122, 427, 854, 25031, 50062, 175217, 350434, 1526891, 3053782, 10688237, 21376474]

約数ペア:

[(1, 21376474), (2, 10688237), (7, 3053782), (14, 1526891), (61, 350434), (122, 175217), (427, 50062), (854, 25031)]