21079270

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{2477}}^1$

素因数の和:2544

約数の個数: 32

約数和(自身を含む): 40678848

約数和(自身を除く): 19599578

約数列:

[1, 2, 5, 10, 23, 37, 46, 74, 115, 185, 230, 370, 851, 1702, 2477, 4255, 4954, 8510, 12385, 24770, 56971, 91649, 113942, 183298, 284855, 458245, 569710, 916490, 2107927, 4215854, 10539635, 21079270]

約数ペア:

[(1, 21079270), (2, 10539635), (5, 4215854), (10, 2107927), (23, 916490), (37, 569710), (46, 458245), (74, 284855), (115, 183298), (185, 113942), (230, 91649), (370, 56971), (851, 24770), (1702, 12385), (2477, 8510), (4255, 4954)]