21513878

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{7927}}^1$

素因数の和:8011

約数の個数: 16

約数和(自身を含む): 34248960

約数和(自身を除く): 12735082

約数列:

[1, 2, 23, 46, 59, 118, 1357, 2714, 7927, 15854, 182321, 364642, 467693, 935386, 10756939, 21513878]

約数ペア:

[(1, 21513878), (2, 10756939), (23, 935386), (46, 467693), (59, 364642), (118, 182321), (1357, 15854), (2714, 7927)]