21655208

素因数分解:

$2^3\times {\mathrm{101}}^1\times {\mathrm{26801}}^1$

素因数の和:26908

約数の個数: 16

約数和(自身を含む): 41007060

約数和(自身を除く): 19351852

約数列:

[1, 2, 4, 8, 101, 202, 404, 808, 26801, 53602, 107204, 214408, 2706901, 5413802, 10827604, 21655208]

約数ペア:

[(1, 21655208), (2, 10827604), (4, 5413802), (8, 2706901), (101, 214408), (202, 107204), (404, 53602), (808, 26801)]