21199128

素因数分解:

$2^3\times 3^1\times {\mathrm{163}}^1\times {\mathrm{5419}}^1$

素因数の和:5591

約数の個数: 32

約数和(自身を含む): 53332800

約数和(自身を除く): 32133672

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 163, 326, 489, 652, 978, 1304, 1956, 3912, 5419, 10838, 16257, 21676, 32514, 43352, 65028, 130056, 883297, 1766594, 2649891, 3533188, 5299782, 7066376, 10599564, 21199128]

約数ペア:

[(1, 21199128), (2, 10599564), (3, 7066376), (4, 5299782), (6, 3533188), (8, 2649891), (12, 1766594), (24, 883297), (163, 130056), (326, 65028), (489, 43352), (652, 32514), (978, 21676), (1304, 16257), (1956, 10838), (3912, 5419)]