21089032

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{90901}}^1$

素因数の和:90936

約数の個数: 16

約数和(自身を含む): 40905900

約数和(自身を除く): 19816868

約数列:

[1, 2, 4, 8, 29, 58, 116, 232, 90901, 181802, 363604, 727208, 2636129, 5272258, 10544516, 21089032]

約数ペア:

[(1, 21089032), (2, 10544516), (4, 5272258), (8, 2636129), (29, 727208), (58, 363604), (116, 181802), (232, 90901)]