21808713025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{458407}}^1$

素因数の和:458601

約数の個数: 24

約数和(自身を含む): 29671833024

約数和(自身を除く): 7863119999

約数列:

[1, 5, 11, 25, 55, 173, 275, 865, 1903, 4325, 9515, 47575, 458407, 2292035, 5042477, 11460175, 25212385, 79304411, 126061925, 396522055, 872348521, 1982610275, 4361742605, 21808713025]

約数ペア:

[(1, 21808713025), (5, 4361742605), (11, 1982610275), (25, 872348521), (55, 396522055), (173, 126061925), (275, 79304411), (865, 25212385), (1903, 11460175), (4325, 5042477), (9515, 2292035), (47575, 458407)]