21000887988

素因数分解:

$2^2\times 3^1\times {\mathrm{47}}^1\times {\mathrm{37235617}}^1$

素因数の和:37235671

約数の個数: 24

約数和(自身を含む): 50044670592

約数和(自身を除く): 29043782604

約数列:

[1, 2, 3, 4, 6, 12, 47, 94, 141, 188, 282, 564, 37235617, 74471234, 111706851, 148942468, 223413702, 446827404, 1750073999, 3500147998, 5250221997, 7000295996, 10500443994, 21000887988]

約数ペア:

[(1, 21000887988), (2, 10500443994), (3, 7000295996), (4, 5250221997), (6, 3500147998), (12, 1750073999), (47, 446827404), (94, 223413702), (141, 148942468), (188, 111706851), (282, 74471234), (564, 37235617)]