21751844401

素因数分解:

$7^1\times {\mathrm{193}}^1\times {\mathrm{401}}^1\times {\mathrm{40151}}^1$

素因数の和:40752

約数の個数: 16

約数和(自身を含む): 25050993408

約数和(自身を除く): 3299149007

約数列:

[1, 7, 193, 401, 1351, 2807, 40151, 77393, 281057, 541751, 7749143, 16100551, 54244001, 112703857, 3107406343, 21751844401]

約数ペア:

[(1, 21751844401), (7, 3107406343), (193, 112703857), (401, 54244001), (1351, 16100551), (2807, 7749143), (40151, 541751), (77393, 281057)]