21460888

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{72503}}^1$

素因数の和:72546

約数の個数: 16

約数和(自身を含む): 41327280

約数和(自身を除く): 19866392

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 72503, 145006, 290012, 580024, 2682611, 5365222, 10730444, 21460888]

約数ペア:

[(1, 21460888), (2, 10730444), (4, 5365222), (8, 2682611), (37, 580024), (74, 290012), (148, 145006), (296, 72503)]