21937065

素因数分解:

$3^1\times 5^1\times {\mathrm{823}}^1\times {\mathrm{1777}}^1$

素因数の和:2608

約数の個数: 16

約数和(自身を含む): 35161728

約数和(自身を除く): 13224663

約数列:

[1, 3, 5, 15, 823, 1777, 2469, 4115, 5331, 8885, 12345, 26655, 1462471, 4387413, 7312355, 21937065]

約数ペア:

[(1, 21937065), (3, 7312355), (5, 4387413), (15, 1462471), (823, 26655), (1777, 12345), (2469, 8885), (4115, 5331)]