21606221

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{5791}}^1$

素因数の和:5852

約数の個数: 16

約数和(自身を含む): 27245568

約数和(自身を除く): 5639347

約数列:

[1, 7, 13, 41, 91, 287, 533, 3731, 5791, 40537, 75283, 237431, 526981, 1662017, 3086603, 21606221]

約数ペア:

[(1, 21606221), (7, 3086603), (13, 1662017), (41, 526981), (91, 237431), (287, 75283), (533, 40537), (3731, 5791)]