21504549

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{443}}^1\times {\mathrm{1471}}^1$

素因数の和:1928

約数の個数: 16

約数和(自身を含む): 31371264

約数和(自身を除く): 9866715

約数列:

[1, 3, 11, 33, 443, 1329, 1471, 4413, 4873, 14619, 16181, 48543, 651653, 1954959, 7168183, 21504549]

約数ペア:

[(1, 21504549), (3, 7168183), (11, 1954959), (33, 651653), (443, 48543), (1329, 16181), (1471, 14619), (4413, 4873)]