21000398492

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{2216167}}^1$

素因数の和:2216297

約数の個数: 24

約数和(自身を含む): 38720887296

約数和(自身を除く): 17720488804

約数列:

[1, 2, 4, 23, 46, 92, 103, 206, 412, 2369, 4738, 9476, 2216167, 4432334, 8864668, 50971841, 101943682, 203887364, 228265201, 456530402, 913060804, 5250099623, 10500199246, 21000398492]

約数ペア:

[(1, 21000398492), (2, 10500199246), (4, 5250099623), (23, 913060804), (46, 456530402), (92, 228265201), (103, 203887364), (206, 101943682), (412, 50971841), (2369, 8864668), (4738, 4432334), (9476, 2216167)]