21879654

素因数分解:

$2^1\times 3^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{1471}}^1$

素因数の和:1580

約数の個数: 32

約数和(自身を含む): 45643776

約数和(自身を除く): 23764122

約数列:

[1, 2, 3, 6, 37, 67, 74, 111, 134, 201, 222, 402, 1471, 2479, 2942, 4413, 4958, 7437, 8826, 14874, 54427, 98557, 108854, 163281, 197114, 295671, 326562, 591342, 3646609, 7293218, 10939827, 21879654]

約数ペア:

[(1, 21879654), (2, 10939827), (3, 7293218), (6, 3646609), (37, 591342), (67, 326562), (74, 295671), (111, 197114), (134, 163281), (201, 108854), (222, 98557), (402, 54427), (1471, 14874), (2479, 8826), (2942, 7437), (4413, 4958)]