21050672

素因数分解:

$2^4\times {\mathrm{283}}^1\times {\mathrm{4649}}^1$

素因数の和:4940

約数の個数: 20

約数和(自身を含む): 40938600

約数和(自身を除く): 19887928

約数列:

[1, 2, 4, 8, 16, 283, 566, 1132, 2264, 4528, 4649, 9298, 18596, 37192, 74384, 1315667, 2631334, 5262668, 10525336, 21050672]

約数ペア:

[(1, 21050672), (2, 10525336), (4, 5262668), (8, 2631334), (16, 1315667), (283, 74384), (566, 37192), (1132, 18596), (2264, 9298), (4528, 4649)]