21482390

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{1181}}^1$

素因数の和:1312

約数の個数: 32

約数和(自身を含む): 41360544

約数和(自身を除く): 19878154

約数列:

[1, 2, 5, 10, 17, 34, 85, 107, 170, 214, 535, 1070, 1181, 1819, 2362, 3638, 5905, 9095, 11810, 18190, 20077, 40154, 100385, 126367, 200770, 252734, 631835, 1263670, 2148239, 4296478, 10741195, 21482390]

約数ペア:

[(1, 21482390), (2, 10741195), (5, 4296478), (10, 2148239), (17, 1263670), (34, 631835), (85, 252734), (107, 200770), (170, 126367), (214, 100385), (535, 40154), (1070, 20077), (1181, 18190), (1819, 11810), (2362, 9095), (3638, 5905)]