21504380

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{22877}}^1$

素因数の和:22933

約数の個数: 24

約数和(自身を含む): 46122048

約数和(自身を除く): 24617668

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 22877, 45754, 91508, 114385, 228770, 457540, 1075219, 2150438, 4300876, 5376095, 10752190, 21504380]

約数ペア:

[(1, 21504380), (2, 10752190), (4, 5376095), (5, 4300876), (10, 2150438), (20, 1075219), (47, 457540), (94, 228770), (188, 114385), (235, 91508), (470, 45754), (940, 22877)]