21615672987

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{156089}}^1$

素因数の和:156344

約数の個数: 32

約数和(自身を含む): 33565593600

約数和(自身を除く): 11949920613

約数列:

[1, 3, 9, 23, 27, 69, 207, 223, 621, 669, 2007, 5129, 6021, 15387, 46161, 138483, 156089, 468267, 1404801, 3590047, 4214403, 10770141, 32310423, 34807847, 96931269, 104423541, 313270623, 800580481, 939811869, 2401741443, 7205224329, 21615672987]

約数ペア:

[(1, 21615672987), (3, 7205224329), (9, 2401741443), (23, 939811869), (27, 800580481), (69, 313270623), (207, 104423541), (223, 96931269), (621, 34807847), (669, 32310423), (2007, 10770141), (5129, 4214403), (6021, 3590047), (15387, 1404801), (46161, 468267), (138483, 156089)]