21600820

素因数分解:

$2^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{4519}}^1$

素因数の和:4767

約数の個数: 24

約数和(自身を含む): 45561600

約数和(自身を除く): 23960780

約数列:

[1, 2, 4, 5, 10, 20, 239, 478, 956, 1195, 2390, 4519, 4780, 9038, 18076, 22595, 45190, 90380, 1080041, 2160082, 4320164, 5400205, 10800410, 21600820]

約数ペア:

[(1, 21600820), (2, 10800410), (4, 5400205), (5, 4320164), (10, 2160082), (20, 1080041), (239, 90380), (478, 45190), (956, 22595), (1195, 18076), (2390, 9038), (4519, 4780)]