21292490

素因数分解:

$2^1\times 5^1\times {\mathrm{349}}^1\times {\mathrm{6101}}^1$

素因数の和:6457

約数の個数: 16

約数和(自身を含む): 38442600

約数和(自身を除く): 17150110

約数列:

[1, 2, 5, 10, 349, 698, 1745, 3490, 6101, 12202, 30505, 61010, 2129249, 4258498, 10646245, 21292490]

約数ペア:

[(1, 21292490), (2, 10646245), (5, 4258498), (10, 2129249), (349, 61010), (698, 30505), (1745, 12202), (3490, 6101)]