21579184

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{122609}}^1$

素因数の和:122628

約数の個数: 20

約数和(自身を含む): 45610920

約数和(自身を除く): 24031736

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 122609, 245218, 490436, 980872, 1348699, 1961744, 2697398, 5394796, 10789592, 21579184]

約数ペア:

[(1, 21579184), (2, 10789592), (4, 5394796), (8, 2697398), (11, 1961744), (16, 1348699), (22, 980872), (44, 490436), (88, 245218), (176, 122609)]