21266090

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{45247}}^1$

素因数の和:45301

約数の個数: 16

約数和(自身を含む): 39094272

約数和(自身を除く): 17828182

約数列:

[1, 2, 5, 10, 47, 94, 235, 470, 45247, 90494, 226235, 452470, 2126609, 4253218, 10633045, 21266090]

約数ペア:

[(1, 21266090), (2, 10633045), (5, 4253218), (10, 2126609), (47, 452470), (94, 226235), (235, 90494), (470, 45247)]