21440562

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{24989}}^1$

素因数の和:25018

約数の個数: 32

約数和(自身を含む): 50379840

約数和(自身を除く): 28939278

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 143, 286, 429, 858, 24989, 49978, 74967, 149934, 274879, 324857, 549758, 649714, 824637, 974571, 1649274, 1949142, 3573427, 7146854, 10720281, 21440562]

約数ペア:

[(1, 21440562), (2, 10720281), (3, 7146854), (6, 3573427), (11, 1949142), (13, 1649274), (22, 974571), (26, 824637), (33, 649714), (39, 549758), (66, 324857), (78, 274879), (143, 149934), (286, 74967), (429, 49978), (858, 24989)]