221569161866

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{20242021}}^1$

素因数の和:20242457

約数の個数: 16

約数和(自身を含む): 358769597928

約数和(自身を除く): 137200436062

約数列:

[1, 2, 13, 26, 421, 842, 5473, 10946, 20242021, 40484042, 263146273, 526292546, 8521890841, 17043781682, 110784580933, 221569161866]

約数ペア:

[(1, 221569161866), (2, 110784580933), (13, 17043781682), (26, 8521890841), (421, 526292546), (842, 263146273), (5473, 40484042), (10946, 20242021)]