21580476

素因数分解:

$2^2\times 3^1\times {\mathrm{409}}^1\times {\mathrm{4397}}^1$

素因数の和:4813

約数の個数: 24

約数和(自身を含む): 50489040

約数和(自身を除く): 28908564

約数列:

[1, 2, 3, 4, 6, 12, 409, 818, 1227, 1636, 2454, 4397, 4908, 8794, 13191, 17588, 26382, 52764, 1798373, 3596746, 5395119, 7193492, 10790238, 21580476]

約数ペア:

[(1, 21580476), (2, 10790238), (3, 7193492), (4, 5395119), (6, 3596746), (12, 1798373), (409, 52764), (818, 26382), (1227, 17588), (1636, 13191), (2454, 8794), (4397, 4908)]