21958904

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{249533}}^1$

素因数の和:249550

約数の個数: 16

約数和(自身を含む): 44916120

約数和(自身を除く): 22957216

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 249533, 499066, 998132, 1996264, 2744863, 5489726, 10979452, 21958904]

約数ペア:

[(1, 21958904), (2, 10979452), (4, 5489726), (8, 2744863), (11, 1996264), (22, 998132), (44, 499066), (88, 249533)]