21875185

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{853}}^1$

素因数の和:1104

約数の個数: 16

約数和(自身を含む): 27546624

約数和(自身を除く): 5671439

約数列:

[1, 5, 23, 115, 223, 853, 1115, 4265, 5129, 19619, 25645, 98095, 190219, 951095, 4375037, 21875185]

約数ペア:

[(1, 21875185), (5, 4375037), (23, 951095), (115, 190219), (223, 98095), (853, 25645), (1115, 19619), (4265, 5129)]