21580658

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{4649}}^1$

素因数の和:4873

約数の個数: 16

約数和(自身を含む): 35488800

約数和(自身を除く): 13908142

約数列:

[1, 2, 11, 22, 211, 422, 2321, 4642, 4649, 9298, 51139, 102278, 980939, 1961878, 10790329, 21580658]

約数ペア:

[(1, 21580658), (2, 10790329), (11, 1961878), (22, 980939), (211, 102278), (422, 51139), (2321, 9298), (4642, 4649)]