21344364

素因数分解:

$2^2\times 3^3\times {\mathrm{257}}^1\times {\mathrm{769}}^1$

素因数の和:1039

約数の個数: 48

約数和(自身を含む): 55624800

約数和(自身を除く): 34280436

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 257, 514, 769, 771, 1028, 1538, 1542, 2307, 2313, 3076, 3084, 4614, 4626, 6921, 6939, 9228, 9252, 13842, 13878, 20763, 27684, 27756, 41526, 83052, 197633, 395266, 592899, 790532, 1185798, 1778697, 2371596, 3557394, 5336091, 7114788, 10672182, 21344364]

約数ペア:

[(1, 21344364), (2, 10672182), (3, 7114788), (4, 5336091), (6, 3557394), (9, 2371596), (12, 1778697), (18, 1185798), (27, 790532), (36, 592899), (54, 395266), (108, 197633), (257, 83052), (514, 41526), (769, 27756), (771, 27684), (1028, 20763), (1538, 13878), (1542, 13842), (2307, 9252), (2313, 9228), (3076, 6939), (3084, 6921), (4614, 4626)]