21864812

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{5527}}^1$

素因数の和:5597

約数の個数: 24

約数和(自身を含む): 40862976

約数和(自身を除く): 18998164

約数列:

[1, 2, 4, 23, 43, 46, 86, 92, 172, 989, 1978, 3956, 5527, 11054, 22108, 127121, 237661, 254242, 475322, 508484, 950644, 5466203, 10932406, 21864812]

約数ペア:

[(1, 21864812), (2, 10932406), (4, 5466203), (23, 950644), (43, 508484), (46, 475322), (86, 254242), (92, 237661), (172, 127121), (989, 22108), (1978, 11054), (3956, 5527)]