21587090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{2251}}^1$

素因数の和:2402

約数の個数: 32

約数和(自身を含む): 44751744

約数和(自身を除く): 23164654

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 137, 274, 685, 959, 1370, 1918, 2251, 4502, 4795, 9590, 11255, 15757, 22510, 31514, 78785, 157570, 308387, 616774, 1541935, 2158709, 3083870, 4317418, 10793545, 21587090]

約数ペア:

[(1, 21587090), (2, 10793545), (5, 4317418), (7, 3083870), (10, 2158709), (14, 1541935), (35, 616774), (70, 308387), (137, 157570), (274, 78785), (685, 31514), (959, 22510), (1370, 15757), (1918, 11255), (2251, 9590), (4502, 4795)]