21584313

素因数分解:

$3^4\times {\mathrm{439}}^1\times {\mathrm{607}}^1$

素因数の和:1058

約数の個数: 20

約数和(自身を含む): 32369920

約数和(自身を除く): 10785607

約数列:

[1, 3, 9, 27, 81, 439, 607, 1317, 1821, 3951, 5463, 11853, 16389, 35559, 49167, 266473, 799419, 2398257, 7194771, 21584313]

約数ペア:

[(1, 21584313), (3, 7194771), (9, 2398257), (27, 799419), (81, 266473), (439, 49167), (607, 35559), (1317, 16389), (1821, 11853), (3951, 5463)]