21665080

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{23549}}^1$

素因数の和:23583

約数の個数: 32

約数和(自身を含む): 50868000

約数和(自身を除く): 29202920

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 23549, 47098, 94196, 117745, 188392, 235490, 470980, 541627, 941960, 1083254, 2166508, 2708135, 4333016, 5416270, 10832540, 21665080]

約数ペア:

[(1, 21665080), (2, 10832540), (4, 5416270), (5, 4333016), (8, 2708135), (10, 2166508), (20, 1083254), (23, 941960), (40, 541627), (46, 470980), (92, 235490), (115, 188392), (184, 117745), (230, 94196), (460, 47098), (920, 23549)]