21083510

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{1741}}^1$

素因数の和:1928

約数の個数: 32

約数和(自身を含む): 43647552

約数和(自身を除く): 22564042

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 173, 346, 865, 1211, 1730, 1741, 2422, 3482, 6055, 8705, 12110, 12187, 17410, 24374, 60935, 121870, 301193, 602386, 1505965, 2108351, 3011930, 4216702, 10541755, 21083510]

約数ペア:

[(1, 21083510), (2, 10541755), (5, 4216702), (7, 3011930), (10, 2108351), (14, 1505965), (35, 602386), (70, 301193), (173, 121870), (346, 60935), (865, 24374), (1211, 17410), (1730, 12187), (1741, 12110), (2422, 8705), (3482, 6055)]