21158199

素因数分解:

$3^3\times {\mathrm{607}}^1\times {\mathrm{1291}}^1$

素因数の和:1907

約数の個数: 16

約数和(自身を含む): 31421440

約数和(自身を除く): 10263241

約数列:

[1, 3, 9, 27, 607, 1291, 1821, 3873, 5463, 11619, 16389, 34857, 783637, 2350911, 7052733, 21158199]

約数ペア:

[(1, 21158199), (3, 7052733), (9, 2350911), (27, 783637), (607, 34857), (1291, 16389), (1821, 11619), (3873, 5463)]