21873850

素因数分解:

$2^1\times 5^2\times {\mathrm{181}}^1\times {\mathrm{2417}}^1$

素因数の和:2610

約数の個数: 24

約数和(自身を含む): 40927068

約数和(自身を除く): 19053218

約数列:

[1, 2, 5, 10, 25, 50, 181, 362, 905, 1810, 2417, 4525, 4834, 9050, 12085, 24170, 60425, 120850, 437477, 874954, 2187385, 4374770, 10936925, 21873850]

約数ペア:

[(1, 21873850), (2, 10936925), (5, 4374770), (10, 2187385), (25, 874954), (50, 437477), (181, 120850), (362, 60425), (905, 24170), (1810, 12085), (2417, 9050), (4525, 4834)]