21202895

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{26339}}^1$

素因数の和:26374

約数の個数: 16

約数和(自身を含む): 30343680

約数和(自身を除く): 9140785

約数列:

[1, 5, 7, 23, 35, 115, 161, 805, 26339, 131695, 184373, 605797, 921865, 3028985, 4240579, 21202895]

約数ペア:

[(1, 21202895), (5, 4240579), (7, 3028985), (23, 921865), (35, 605797), (115, 184373), (161, 131695), (805, 26339)]