21512166

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{1429}}^1$

素因数の和:1640

約数の個数: 32

約数和(自身を含む): 46606560

約数和(自身を除く): 25094394

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 193, 386, 579, 1158, 1429, 2509, 2858, 4287, 5018, 7527, 8574, 15054, 18577, 37154, 55731, 111462, 275797, 551594, 827391, 1654782, 3585361, 7170722, 10756083, 21512166]

約数ペア:

[(1, 21512166), (2, 10756083), (3, 7170722), (6, 3585361), (13, 1654782), (26, 827391), (39, 551594), (78, 275797), (193, 111462), (386, 55731), (579, 37154), (1158, 18577), (1429, 15054), (2509, 8574), (2858, 7527), (4287, 5018)]