21442085

素因数分解:

$5^1\times 7^1\times {\mathrm{739}}^1\times {\mathrm{829}}^1$

素因数の和:1580

約数の個数: 16

約数和(自身を含む): 29481600

約数和(自身を除く): 8039515

約数列:

[1, 5, 7, 35, 739, 829, 3695, 4145, 5173, 5803, 25865, 29015, 612631, 3063155, 4288417, 21442085]

約数ペア:

[(1, 21442085), (5, 4288417), (7, 3063155), (35, 612631), (739, 29015), (829, 25865), (3695, 5803), (4145, 5173)]