21282104

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{71899}}^1$

素因数の和:71942

約数の個数: 16

約数和(自身を含む): 40983000

約数和(自身を除く): 19700896

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 71899, 143798, 287596, 575192, 2660263, 5320526, 10641052, 21282104]

約数ペア:

[(1, 21282104), (2, 10641052), (4, 5320526), (8, 2660263), (37, 575192), (74, 287596), (148, 143798), (296, 71899)]