21730504

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{87623}}^1$

素因数の和:87660

約数の個数: 16

約数和(自身を含む): 42059520

約数和(自身を除く): 20329016

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 87623, 175246, 350492, 700984, 2716313, 5432626, 10865252, 21730504]

約数ペア:

[(1, 21730504), (2, 10865252), (4, 5432626), (8, 2716313), (31, 700984), (62, 350492), (124, 175246), (248, 87623)]