21225550

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{18457}}^1$

素因数の和:18492

約数の個数: 24

約数和(自身を含む): 41198256

約数和(自身を除く): 19972706

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 115, 230, 575, 1150, 18457, 36914, 92285, 184570, 424511, 461425, 849022, 922850, 2122555, 4245110, 10612775, 21225550]

約数ペア:

[(1, 21225550), (2, 10612775), (5, 4245110), (10, 2122555), (23, 922850), (25, 849022), (46, 461425), (50, 424511), (115, 184570), (230, 92285), (575, 36914), (1150, 18457)]