21100269

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{313}}^1\times {\mathrm{977}}^1$

素因数の和:1316

約数の個数: 16

約数和(自身を含む): 29480832

約数和(自身を除く): 8380563

約数列:

[1, 3, 23, 69, 313, 939, 977, 2931, 7199, 21597, 22471, 67413, 305801, 917403, 7033423, 21100269]

約数ペア:

[(1, 21100269), (3, 7033423), (23, 917403), (69, 305801), (313, 67413), (939, 22471), (977, 21597), (2931, 7199)]