21539793

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{2927}}^1$

素因数の和:3164

約数の個数: 16

約数和(自身を含む): 31481856

約数和(自身を除く): 9942063

約数列:

[1, 3, 11, 33, 223, 669, 2453, 2927, 7359, 8781, 32197, 96591, 652721, 1958163, 7179931, 21539793]

約数ペア:

[(1, 21539793), (3, 7179931), (11, 1958163), (33, 652721), (223, 96591), (669, 32197), (2453, 8781), (2927, 7359)]