21013854

素因数分解:

$2^1\times 3^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{919}}^1$

素因数の和:1064

約数の個数: 32

約数和(自身を含む): 43630080

約数和(自身を除く): 22616226

約数列:

[1, 2, 3, 6, 37, 74, 103, 111, 206, 222, 309, 618, 919, 1838, 2757, 3811, 5514, 7622, 11433, 22866, 34003, 68006, 94657, 102009, 189314, 204018, 283971, 567942, 3502309, 7004618, 10506927, 21013854]

約数ペア:

[(1, 21013854), (2, 10506927), (3, 7004618), (6, 3502309), (37, 567942), (74, 283971), (103, 204018), (111, 189314), (206, 102009), (222, 94657), (309, 68006), (618, 34003), (919, 22866), (1838, 11433), (2757, 7622), (3811, 5514)]