21716728

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{246781}}^1$

素因数の和:246798

約数の個数: 16

約数和(自身を含む): 44420760

約数和(自身を除く): 22704032

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 246781, 493562, 987124, 1974248, 2714591, 5429182, 10858364, 21716728]

約数ペア:

[(1, 21716728), (2, 10858364), (4, 5429182), (8, 2714591), (11, 1974248), (22, 987124), (44, 493562), (88, 246781)]