21653212

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{33623}}^1$

素因数の和:33657

約数の個数: 24

約数和(自身を含む): 45190656

約数和(自身を除く): 23537444

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 33623, 67246, 134492, 235361, 470722, 773329, 941444, 1546658, 3093316, 5413303, 10826606, 21653212]

約数ペア:

[(1, 21653212), (2, 10826606), (4, 5413303), (7, 3093316), (14, 1546658), (23, 941444), (28, 773329), (46, 470722), (92, 235361), (161, 134492), (322, 67246), (644, 33623)]