21034870

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{409}}^1$

素因数の和:592

約数の個数: 32

約数和(自身を含む): 39261600

約数和(自身を除く): 18226730

約数列:

[1, 2, 5, 10, 37, 74, 139, 185, 278, 370, 409, 695, 818, 1390, 2045, 4090, 5143, 10286, 15133, 25715, 30266, 51430, 56851, 75665, 113702, 151330, 284255, 568510, 2103487, 4206974, 10517435, 21034870]

約数ペア:

[(1, 21034870), (2, 10517435), (5, 4206974), (10, 2103487), (37, 568510), (74, 284255), (139, 151330), (185, 113702), (278, 75665), (370, 56851), (409, 51430), (695, 30266), (818, 25715), (1390, 15133), (2045, 10286), (4090, 5143)]