21610468

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{173}}^1$

素因数の和:372

約数の個数: 48

約数和(自身を含む): 44198784

約数和(自身を除く): 22588316

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 167, 173, 187, 334, 346, 374, 668, 692, 748, 1837, 1903, 2839, 2941, 3674, 3806, 5678, 5882, 7348, 7612, 11356, 11764, 28891, 31229, 32351, 57782, 62458, 64702, 115564, 124916, 129404, 317801, 491147, 635602, 982294, 1271204, 1964588, 5402617, 10805234, 21610468]

約数ペア:

[(1, 21610468), (2, 10805234), (4, 5402617), (11, 1964588), (17, 1271204), (22, 982294), (34, 635602), (44, 491147), (68, 317801), (167, 129404), (173, 124916), (187, 115564), (334, 64702), (346, 62458), (374, 57782), (668, 32351), (692, 31229), (748, 28891), (1837, 11764), (1903, 11356), (2839, 7612), (2941, 7348), (3674, 5882), (3806, 5678)]