21275792

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{45853}}^1$

素因数の和:45890

約数の個数: 20

約数和(自身を含む): 42644220

約数和(自身を除く): 21368428

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 45853, 91706, 183412, 366824, 733648, 1329737, 2659474, 5318948, 10637896, 21275792]

約数ペア:

[(1, 21275792), (2, 10637896), (4, 5318948), (8, 2659474), (16, 1329737), (29, 733648), (58, 366824), (116, 183412), (232, 91706), (464, 45853)]