21041004068

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{17475917}}^1$

素因数の和:17475971

約数の個数: 24

約数和(自身を含む): 43060661952

約数和(自身を除く): 22019657884

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 17475917, 34951834, 69903668, 122331419, 244662838, 489325676, 751464431, 1502928862, 3005857724, 5260251017, 10520502034, 21041004068]

約数ペア:

[(1, 21041004068), (2, 10520502034), (4, 5260251017), (7, 3005857724), (14, 1502928862), (28, 751464431), (43, 489325676), (86, 244662838), (172, 122331419), (301, 69903668), (602, 34951834), (1204, 17475917)]