21088076

素因数分解:

$2^2\times {\mathrm{37}}^2\times {\mathrm{3851}}^1$

素因数の和:3929

約数の個数: 18

約数和(自身を含む): 37938348

約数和(自身を除く): 16850272

約数列:

[1, 2, 4, 37, 74, 148, 1369, 2738, 3851, 5476, 7702, 15404, 142487, 284974, 569948, 5272019, 10544038, 21088076]

約数ペア:

[(1, 21088076), (2, 10544038), (4, 5272019), (37, 569948), (74, 284974), (148, 142487), (1369, 15404), (2738, 7702), (3851, 5476)]