16821415

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{1171}}^1$

素因数の和:1219

約数の個数: 24

約数和(自身を含む): 23163408

約数和(自身を除く): 6341993

約数列:

[1, 5, 13, 17, 65, 85, 169, 221, 845, 1105, 1171, 2873, 5855, 14365, 15223, 19907, 76115, 99535, 197899, 258791, 989495, 1293955, 3364283, 16821415]

約数ペア:

[(1, 16821415), (5, 3364283), (13, 1293955), (17, 989495), (65, 258791), (85, 197899), (169, 99535), (221, 76115), (845, 19907), (1105, 15223), (1171, 14365), (2873, 5855)]