21926421

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{241}}^1\times {\mathrm{919}}^1$

素因数の和:1177

約数の個数: 24

約数和(自身を含む): 34731840

約数和(自身を除く): 12805419

約数列:

[1, 3, 9, 11, 33, 99, 241, 723, 919, 2169, 2651, 2757, 7953, 8271, 10109, 23859, 30327, 90981, 221479, 664437, 1993311, 2436269, 7308807, 21926421]

約数ペア:

[(1, 21926421), (3, 7308807), (9, 2436269), (11, 1993311), (33, 664437), (99, 221479), (241, 90981), (723, 30327), (919, 23859), (2169, 10109), (2651, 8271), (2757, 7953)]