21067084

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{211}}^1\times {\mathrm{229}}^1$

素因数の和:553

約数の個数: 24

約数和(自身を含む): 37545200

約数和(自身を除く): 16478116

約数列:

[1, 2, 4, 109, 211, 218, 229, 422, 436, 458, 844, 916, 22999, 24961, 45998, 48319, 49922, 91996, 96638, 99844, 193276, 5266771, 10533542, 21067084]

約数ペア:

[(1, 21067084), (2, 10533542), (4, 5266771), (109, 193276), (211, 99844), (218, 96638), (229, 91996), (422, 49922), (436, 48319), (458, 45998), (844, 24961), (916, 22999)]