21273770

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{2393}}^1$

素因数の和:2534

約数の個数: 32

約数和(自身を含む): 44126208

約数和(自身を除く): 22852438

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 127, 254, 635, 889, 1270, 1778, 2393, 4445, 4786, 8890, 11965, 16751, 23930, 33502, 83755, 167510, 303911, 607822, 1519555, 2127377, 3039110, 4254754, 10636885, 21273770]

約数ペア:

[(1, 21273770), (2, 10636885), (5, 4254754), (7, 3039110), (10, 2127377), (14, 1519555), (35, 607822), (70, 303911), (127, 167510), (254, 83755), (635, 33502), (889, 23930), (1270, 16751), (1778, 11965), (2393, 8890), (4445, 4786)]