21068500

素因数分解:

$2^2\times 5^3\times {\mathrm{29}}^1\times {\mathrm{1453}}^1$

素因数の和:1501

約数の個数: 48

約数和(自身を含む): 47633040

約数和(自身を除く): 26564540

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 125, 145, 250, 290, 500, 580, 725, 1450, 1453, 2900, 2906, 3625, 5812, 7250, 7265, 14500, 14530, 29060, 36325, 42137, 72650, 84274, 145300, 168548, 181625, 210685, 363250, 421370, 726500, 842740, 1053425, 2106850, 4213700, 5267125, 10534250, 21068500]

約数ペア:

[(1, 21068500), (2, 10534250), (4, 5267125), (5, 4213700), (10, 2106850), (20, 1053425), (25, 842740), (29, 726500), (50, 421370), (58, 363250), (100, 210685), (116, 181625), (125, 168548), (145, 145300), (250, 84274), (290, 72650), (500, 42137), (580, 36325), (725, 29060), (1450, 14530), (1453, 14500), (2900, 7265), (2906, 7250), (3625, 5812)]