21563536

素因数分解:

$2^4\times {\mathrm{239}}^1\times {\mathrm{5639}}^1$

素因数の和:5886

約数の個数: 20

約数和(自身を含む): 41961600

約数和(自身を除く): 20398064

約数列:

[1, 2, 4, 8, 16, 239, 478, 956, 1912, 3824, 5639, 11278, 22556, 45112, 90224, 1347721, 2695442, 5390884, 10781768, 21563536]

約数ペア:

[(1, 21563536), (2, 10781768), (4, 5390884), (8, 2695442), (16, 1347721), (239, 90224), (478, 45112), (956, 22556), (1912, 11278), (3824, 5639)]