21022372

素因数分解:

$2^2\times 7^2\times {\mathrm{283}}^1\times {\mathrm{379}}^1$

素因数の和:680

約数の個数: 36

約数和(自身を含む): 43060080

約数和(自身を除く): 22037708

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 283, 379, 566, 758, 1132, 1516, 1981, 2653, 3962, 5306, 7924, 10612, 13867, 18571, 27734, 37142, 55468, 74284, 107257, 214514, 429028, 750799, 1501598, 3003196, 5255593, 10511186, 21022372]

約数ペア:

[(1, 21022372), (2, 10511186), (4, 5255593), (7, 3003196), (14, 1501598), (28, 750799), (49, 429028), (98, 214514), (196, 107257), (283, 74284), (379, 55468), (566, 37142), (758, 27734), (1132, 18571), (1516, 13867), (1981, 10612), (2653, 7924), (3962, 5306)]