21228078

素因数分解:

$2^1\times 3^1\times {\mathrm{41}}^1\times {\mathrm{86293}}^1$

素因数の和:86339

約数の個数: 16

約数和(自身を含む): 43492176

約数和(自身を除く): 22264098

約数列:

[1, 2, 3, 6, 41, 82, 123, 246, 86293, 172586, 258879, 517758, 3538013, 7076026, 10614039, 21228078]

約数ペア:

[(1, 21228078), (2, 10614039), (3, 7076026), (6, 3538013), (41, 517758), (82, 258879), (123, 172586), (246, 86293)]