21770696

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{661}}^1$

素因数の和:869

約数の個数: 32

約数和(自身を含む): 42897600

約数和(自身を除く): 21126904

約数列:

[1, 2, 4, 8, 23, 46, 92, 179, 184, 358, 661, 716, 1322, 1432, 2644, 4117, 5288, 8234, 15203, 16468, 30406, 32936, 60812, 118319, 121624, 236638, 473276, 946552, 2721337, 5442674, 10885348, 21770696]

約数ペア:

[(1, 21770696), (2, 10885348), (4, 5442674), (8, 2721337), (23, 946552), (46, 473276), (92, 236638), (179, 121624), (184, 118319), (358, 60812), (661, 32936), (716, 30406), (1322, 16468), (1432, 15203), (2644, 8234), (4117, 5288)]