21379293

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{6301}}^1$

素因数の和:6349

約数の個数: 24

約数和(自身を含む): 34408920

約数和(自身を除く): 13029627

約数列:

[1, 3, 9, 13, 29, 39, 87, 117, 261, 377, 1131, 3393, 6301, 18903, 56709, 81913, 182729, 245739, 548187, 737217, 1644561, 2375477, 7126431, 21379293]

約数ペア:

[(1, 21379293), (3, 7126431), (9, 2375477), (13, 1644561), (29, 737217), (39, 548187), (87, 245739), (117, 182729), (261, 81913), (377, 56709), (1131, 18903), (3393, 6301)]