21133904

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{120079}}^1$

素因数の和:120098

約数の個数: 20

約数和(自身を含む): 44669760

約数和(自身を除く): 23535856

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 120079, 240158, 480316, 960632, 1320869, 1921264, 2641738, 5283476, 10566952, 21133904]

約数ペア:

[(1, 21133904), (2, 10566952), (4, 5283476), (8, 2641738), (11, 1921264), (16, 1320869), (22, 960632), (44, 480316), (88, 240158), (176, 120079)]