21643024

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{104053}}^1$

素因数の和:104074

約数の個数: 20

約数和(自身を含む): 45159436

約数和(自身を除く): 23516412

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 104053, 208106, 416212, 832424, 1352689, 1664848, 2705378, 5410756, 10821512, 21643024]

約数ペア:

[(1, 21643024), (2, 10821512), (4, 5410756), (8, 2705378), (13, 1664848), (16, 1352689), (26, 832424), (52, 416212), (104, 208106), (208, 104053)]