21380238

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{107981}}^1$

素因数の和:108000

約数の個数: 24

約数和(自身を含む): 50535576

約数和(自身を除く): 29155338

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198, 107981, 215962, 323943, 647886, 971829, 1187791, 1943658, 2375582, 3563373, 7126746, 10690119, 21380238]

約数ペア:

[(1, 21380238), (2, 10690119), (3, 7126746), (6, 3563373), (9, 2375582), (11, 1943658), (18, 1187791), (22, 971829), (33, 647886), (66, 323943), (99, 215962), (198, 107981)]