21480976

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{122051}}^1$

素因数の和:122070

約数の個数: 20

約数和(自身を含む): 45403344

約数和(自身を除く): 23922368

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 122051, 244102, 488204, 976408, 1342561, 1952816, 2685122, 5370244, 10740488, 21480976]

約数ペア:

[(1, 21480976), (2, 10740488), (4, 5370244), (8, 2685122), (11, 1952816), (16, 1342561), (22, 976408), (44, 488204), (88, 244102), (176, 122051)]