21166053844

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{2248837}}^1$

素因数の和:2249035

約数の個数: 24

約数和(自身を含む): 40110274568

約数和(自身を除く): 18944220724

約数列:

[1, 2, 4, 13, 26, 52, 181, 362, 724, 2353, 4706, 9412, 2248837, 4497674, 8995348, 29234881, 58469762, 116939524, 407039497, 814078994, 1628157988, 5291513461, 10583026922, 21166053844]

約数ペア:

[(1, 21166053844), (2, 10583026922), (4, 5291513461), (13, 1628157988), (26, 814078994), (52, 407039497), (181, 116939524), (362, 58469762), (724, 29234881), (2353, 8995348), (4706, 4497674), (9412, 2248837)]