21344588

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{4421}}^1$

素因数の和:4513

約数の個数: 24

約数和(自身を含む): 40116384

約数和(自身を除く): 18771796

約数列:

[1, 2, 4, 17, 34, 68, 71, 142, 284, 1207, 2414, 4421, 4828, 8842, 17684, 75157, 150314, 300628, 313891, 627782, 1255564, 5336147, 10672294, 21344588]

約数ペア:

[(1, 21344588), (2, 10672294), (4, 5336147), (17, 1255564), (34, 627782), (68, 313891), (71, 300628), (142, 150314), (284, 75157), (1207, 17684), (2414, 8842), (4421, 4828)]