21475784

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{244043}}^1$

素因数の和:244060

約数の個数: 16

約数和(自身を含む): 43927920

約数和(自身を除く): 22452136

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 244043, 488086, 976172, 1952344, 2684473, 5368946, 10737892, 21475784]

約数ペア:

[(1, 21475784), (2, 10737892), (4, 5368946), (8, 2684473), (11, 1952344), (22, 976172), (44, 488086), (88, 244043)]