21180700

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{9209}}^1$

素因数の和:9246

約数の個数: 36

約数和(自身を含む): 47965680

約数和(自身を除く): 26784980

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 92, 100, 115, 230, 460, 575, 1150, 2300, 9209, 18418, 36836, 46045, 92090, 184180, 211807, 230225, 423614, 460450, 847228, 920900, 1059035, 2118070, 4236140, 5295175, 10590350, 21180700]

約数ペア:

[(1, 21180700), (2, 10590350), (4, 5295175), (5, 4236140), (10, 2118070), (20, 1059035), (23, 920900), (25, 847228), (46, 460450), (50, 423614), (92, 230225), (100, 211807), (115, 184180), (230, 92090), (460, 46045), (575, 36836), (1150, 18418), (2300, 9209)]