21572924

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{2053}}^1$

素因数の和:2165

約数の個数: 24

約数和(自身を含む): 39338208

約数和(自身を除く): 17765284

約数列:

[1, 2, 4, 37, 71, 74, 142, 148, 284, 2053, 2627, 4106, 5254, 8212, 10508, 75961, 145763, 151922, 291526, 303844, 583052, 5393231, 10786462, 21572924]

約数ペア:

[(1, 21572924), (2, 10786462), (4, 5393231), (37, 583052), (71, 303844), (74, 291526), (142, 151922), (148, 145763), (284, 75961), (2053, 10508), (2627, 8212), (4106, 5254)]