21781776

素因数分解:

$2^4\times 3^1\times {\mathrm{107}}^1\times {\mathrm{4241}}^1$

素因数の和:4359

約数の個数: 40

約数和(自身を含む): 56808864

約数和(自身を除く): 35027088

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 107, 214, 321, 428, 642, 856, 1284, 1712, 2568, 4241, 5136, 8482, 12723, 16964, 25446, 33928, 50892, 67856, 101784, 203568, 453787, 907574, 1361361, 1815148, 2722722, 3630296, 5445444, 7260592, 10890888, 21781776]

約数ペア:

[(1, 21781776), (2, 10890888), (3, 7260592), (4, 5445444), (6, 3630296), (8, 2722722), (12, 1815148), (16, 1361361), (24, 907574), (48, 453787), (107, 203568), (214, 101784), (321, 67856), (428, 50892), (642, 33928), (856, 25446), (1284, 16964), (1712, 12723), (2568, 8482), (4241, 5136)]