21183800

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{9629}}^1$

素因数の和:9656

約数の個数: 48

約数和(自身を含む): 53735400

約数和(自身を除く): 32551600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 200, 220, 275, 440, 550, 1100, 2200, 9629, 19258, 38516, 48145, 77032, 96290, 105919, 192580, 211838, 240725, 385160, 423676, 481450, 529595, 847352, 962900, 1059190, 1925800, 2118380, 2647975, 4236760, 5295950, 10591900, 21183800]

約数ペア:

[(1, 21183800), (2, 10591900), (4, 5295950), (5, 4236760), (8, 2647975), (10, 2118380), (11, 1925800), (20, 1059190), (22, 962900), (25, 847352), (40, 529595), (44, 481450), (50, 423676), (55, 385160), (88, 240725), (100, 211838), (110, 192580), (200, 105919), (220, 96290), (275, 77032), (440, 48145), (550, 38516), (1100, 19258), (2200, 9629)]