21242605

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{3011}}^1$

素因数の和:3116

約数の個数: 16

約数和(自身を含む): 27324864

約数和(自身を除く): 6082259

約数列:

[1, 5, 17, 83, 85, 415, 1411, 3011, 7055, 15055, 51187, 249913, 255935, 1249565, 4248521, 21242605]

約数ペア:

[(1, 21242605), (5, 4248521), (17, 1249565), (83, 255935), (85, 249913), (415, 51187), (1411, 15055), (3011, 7055)]