21186830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{293}}^1\times {\mathrm{1033}}^1$

素因数の和:1340

約数の個数: 32

約数和(自身を含む): 43775424

約数和(自身を除く): 22588594

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 293, 586, 1033, 1465, 2051, 2066, 2930, 4102, 5165, 7231, 10255, 10330, 14462, 20510, 36155, 72310, 302669, 605338, 1513345, 2118683, 3026690, 4237366, 10593415, 21186830]

約数ペア:

[(1, 21186830), (2, 10593415), (5, 4237366), (7, 3026690), (10, 2118683), (14, 1513345), (35, 605338), (70, 302669), (293, 72310), (586, 36155), (1033, 20510), (1465, 14462), (2051, 10330), (2066, 10255), (2930, 7231), (4102, 5165)]