21133372

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{2063}}^1$

素因数の和:2277

約数の個数: 24

約数和(自身を含む): 40049856

約数和(自身を除く): 18916484

約数列:

[1, 2, 4, 13, 26, 52, 197, 394, 788, 2063, 2561, 4126, 5122, 8252, 10244, 26819, 53638, 107276, 406411, 812822, 1625644, 5283343, 10566686, 21133372]

約数ペア:

[(1, 21133372), (2, 10566686), (4, 5283343), (13, 1625644), (26, 812822), (52, 406411), (197, 107276), (394, 53638), (788, 26819), (2063, 10244), (2561, 8252), (4126, 5122)]