21000453590

素因数分解:

$2^1\times 5^1\times {\mathrm{1451}}^1\times {\mathrm{1447309}}^1$

素因数の和:1448767

約数の個数: 16

約数和(自身を含む): 37826894160

約数和(自身を除く): 16826440570

約数列:

[1, 2, 5, 10, 1451, 2902, 7255, 14510, 1447309, 2894618, 7236545, 14473090, 2100045359, 4200090718, 10500226795, 21000453590]

約数ペア:

[(1, 21000453590), (2, 10500226795), (5, 4200090718), (10, 2100045359), (1451, 14473090), (2902, 7236545), (7255, 2894618), (14510, 1447309)]