21148864

素因数分解:

$2^6\times {\mathrm{11}}^2\times {\mathrm{2731}}^1$

素因数の和:2765

約数の個数: 42

約数和(自身を含む): 46146212

約数和(自身を除く): 24997348

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 121, 176, 242, 352, 484, 704, 968, 1936, 2731, 3872, 5462, 7744, 10924, 21848, 30041, 43696, 60082, 87392, 120164, 174784, 240328, 330451, 480656, 660902, 961312, 1321804, 1922624, 2643608, 5287216, 10574432, 21148864]

約数ペア:

[(1, 21148864), (2, 10574432), (4, 5287216), (8, 2643608), (11, 1922624), (16, 1321804), (22, 961312), (32, 660902), (44, 480656), (64, 330451), (88, 240328), (121, 174784), (176, 120164), (242, 87392), (352, 60082), (484, 43696), (704, 30041), (968, 21848), (1936, 10924), (2731, 7744), (3872, 5462)]