21038570

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{8123}}^1$

素因数の和:8174

約数の個数: 32

約数和(自身を含む): 44454528

約数和(自身を除く): 23415958

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 70, 74, 185, 259, 370, 518, 1295, 2590, 8123, 16246, 40615, 56861, 81230, 113722, 284305, 300551, 568610, 601102, 1502755, 2103857, 3005510, 4207714, 10519285, 21038570]

約数ペア:

[(1, 21038570), (2, 10519285), (5, 4207714), (7, 3005510), (10, 2103857), (14, 1502755), (35, 601102), (37, 568610), (70, 300551), (74, 284305), (185, 113722), (259, 81230), (370, 56861), (518, 40615), (1295, 16246), (2590, 8123)]