21283172012

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{277}}^1\times {\mathrm{1010981}}^1$

素因数の和:1011281

約数の個数: 24

約数和(自身を含む): 39347419440

約数和(自身を除く): 18064247428

約数列:

[1, 2, 4, 19, 38, 76, 277, 554, 1108, 5263, 10526, 21052, 1010981, 2021962, 4043924, 19208639, 38417278, 76834556, 280041737, 560083474, 1120166948, 5320793003, 10641586006, 21283172012]

約数ペア:

[(1, 21283172012), (2, 10641586006), (4, 5320793003), (19, 1120166948), (38, 560083474), (76, 280041737), (277, 76834556), (554, 38417278), (1108, 19208639), (5263, 4043924), (10526, 2021962), (21052, 1010981)]