21201635

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2741}}^1$

素因数の和:2783

約数の個数: 32

約数和(自身を含む): 33167232

約数和(自身を除く): 11965597

約数列:

[1, 5, 7, 13, 17, 35, 65, 85, 91, 119, 221, 455, 595, 1105, 1547, 2741, 7735, 13705, 19187, 35633, 46597, 95935, 178165, 232985, 249431, 326179, 605761, 1247155, 1630895, 3028805, 4240327, 21201635]

約数ペア:

[(1, 21201635), (5, 4240327), (7, 3028805), (13, 1630895), (17, 1247155), (35, 605761), (65, 326179), (85, 249431), (91, 232985), (119, 178165), (221, 95935), (455, 46597), (595, 35633), (1105, 19187), (1547, 13705), (2741, 7735)]