21167015

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{1787}}^1$

素因数の和:1918

約数の個数: 16

約数和(自身を含む): 26777088

約数和(自身を除く): 5610073

約数列:

[1, 5, 23, 103, 115, 515, 1787, 2369, 8935, 11845, 41101, 184061, 205505, 920305, 4233403, 21167015]

約数ペア:

[(1, 21167015), (5, 4233403), (23, 920305), (103, 205505), (115, 184061), (515, 41101), (1787, 11845), (2369, 8935)]