21226444

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{2411}}^1$

素因数の和:2517

約数の個数: 24

約数和(自身を含む): 38900736

約数和(自身を除く): 17674292

約数列:

[1, 2, 4, 31, 62, 71, 124, 142, 284, 2201, 2411, 4402, 4822, 8804, 9644, 74741, 149482, 171181, 298964, 342362, 684724, 5306611, 10613222, 21226444]

約数ペア:

[(1, 21226444), (2, 10613222), (4, 5306611), (31, 684724), (62, 342362), (71, 298964), (124, 171181), (142, 149482), (284, 74741), (2201, 9644), (2411, 8804), (4402, 4822)]