21965540

素因数分解:

$2^2\times 5^1\times {\mathrm{587}}^1\times {\mathrm{1871}}^1$

素因数の和:2467

約数の個数: 24

約数和(自身を含む): 46230912

約数和(自身を除く): 24265372

約数列:

[1, 2, 4, 5, 10, 20, 587, 1174, 1871, 2348, 2935, 3742, 5870, 7484, 9355, 11740, 18710, 37420, 1098277, 2196554, 4393108, 5491385, 10982770, 21965540]

約数ペア:

[(1, 21965540), (2, 10982770), (4, 5491385), (5, 4393108), (10, 2196554), (20, 1098277), (587, 37420), (1174, 18710), (1871, 11740), (2348, 9355), (2935, 7484), (3742, 5870)]