21877715

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{1847}}^1$

素因数の和:1978

約数の個数: 16

約数和(自身を含む): 27675648

約数和(自身を除く): 5797933

約数列:

[1, 5, 23, 103, 115, 515, 1847, 2369, 9235, 11845, 42481, 190241, 212405, 951205, 4375543, 21877715]

約数ペア:

[(1, 21877715), (5, 4375543), (23, 951205), (103, 212405), (115, 190241), (515, 42481), (1847, 11845), (2369, 9235)]