21821740

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{18493}}^1$

素因数の和:18561

約数の個数: 24

約数和(自身を含む): 46604880

約数和(自身を除く): 24783140

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 236, 295, 590, 1180, 18493, 36986, 73972, 92465, 184930, 369860, 1091087, 2182174, 4364348, 5455435, 10910870, 21821740]

約数ペア:

[(1, 21821740), (2, 10910870), (4, 5455435), (5, 4364348), (10, 2182174), (20, 1091087), (59, 369860), (118, 184930), (236, 92465), (295, 73972), (590, 36986), (1180, 18493)]