21201188

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{3361}}^1$

素因数の和:3467

約数の個数: 24

約数和(自身を含む): 39537120

約数和(自身を除く): 18335932

約数列:

[1, 2, 4, 19, 38, 76, 83, 166, 332, 1577, 3154, 3361, 6308, 6722, 13444, 63859, 127718, 255436, 278963, 557926, 1115852, 5300297, 10600594, 21201188]

約数ペア:

[(1, 21201188), (2, 10600594), (4, 5300297), (19, 1115852), (38, 557926), (76, 278963), (83, 255436), (166, 127718), (332, 63859), (1577, 13444), (3154, 6722), (3361, 6308)]