21999259874

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{9431}}^1\times {\mathrm{28447}}^1$

素因数の和:37921

約数の個数: 16

約数和(自身を含む): 33808513536

約数和(自身を除く): 11809253662

約数列:

[1, 2, 41, 82, 9431, 18862, 28447, 56894, 386671, 773342, 1166327, 2332654, 268283657, 536567314, 10999629937, 21999259874]

約数ペア:

[(1, 21999259874), (2, 10999629937), (41, 536567314), (82, 268283657), (9431, 2332654), (18862, 1166327), (28447, 773342), (56894, 386671)]