21489590135

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{10664809}}^1$

素因数の和:10664858

約数の個数: 16

約数和(自身を含む): 28667009280

約数和(自身を除く): 7177419145

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 10664809, 53324045, 138642517, 330609079, 693212585, 1653045395, 4297918027, 21489590135]

約数ペア:

[(1, 21489590135), (5, 4297918027), (13, 1653045395), (31, 693212585), (65, 330609079), (155, 138642517), (403, 53324045), (2015, 10664809)]