21891752

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{743}}^1$

素因数の和:905

約数の個数: 32

約数和(自身を含む): 42854400

約数和(自身を除く): 20962648

約数列:

[1, 2, 4, 8, 29, 58, 116, 127, 232, 254, 508, 743, 1016, 1486, 2972, 3683, 5944, 7366, 14732, 21547, 29464, 43094, 86188, 94361, 172376, 188722, 377444, 754888, 2736469, 5472938, 10945876, 21891752]

約数ペア:

[(1, 21891752), (2, 10945876), (4, 5472938), (8, 2736469), (29, 754888), (58, 377444), (116, 188722), (127, 172376), (232, 94361), (254, 86188), (508, 43094), (743, 29464), (1016, 21547), (1486, 14732), (2972, 7366), (3683, 5944)]