21737590

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{1609}}^1$

素因数の和:1816

約数の個数: 32

約数和(自身を含む): 44976960

約数和(自身を除く): 23239370

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 193, 386, 965, 1351, 1609, 1930, 2702, 3218, 6755, 8045, 11263, 13510, 16090, 22526, 56315, 112630, 310537, 621074, 1552685, 2173759, 3105370, 4347518, 10868795, 21737590]

約数ペア:

[(1, 21737590), (2, 10868795), (5, 4347518), (7, 3105370), (10, 2173759), (14, 1552685), (35, 621074), (70, 310537), (193, 112630), (386, 56315), (965, 22526), (1351, 16090), (1609, 13510), (1930, 11263), (2702, 8045), (3218, 6755)]