21055648

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{34631}}^1$

素因数の和:34660

約数の個数: 24

約数和(自身を含む): 43636320

約数和(自身を除く): 22580672

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 608, 34631, 69262, 138524, 277048, 554096, 657989, 1108192, 1315978, 2631956, 5263912, 10527824, 21055648]

約数ペア:

[(1, 21055648), (2, 10527824), (4, 5263912), (8, 2631956), (16, 1315978), (19, 1108192), (32, 657989), (38, 554096), (76, 277048), (152, 138524), (304, 69262), (608, 34631)]