21644524

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{3539}}^1$

素因数の和:3693

約数の個数: 24

約数和(自身を含む): 41630400

約数和(自身を除く): 19985876

約数列:

[1, 2, 4, 11, 22, 44, 139, 278, 556, 1529, 3058, 3539, 6116, 7078, 14156, 38929, 77858, 155716, 491921, 983842, 1967684, 5411131, 10822262, 21644524]

約数ペア:

[(1, 21644524), (2, 10822262), (4, 5411131), (11, 1967684), (22, 983842), (44, 491921), (139, 155716), (278, 77858), (556, 38929), (1529, 14156), (3058, 7078), (3539, 6116)]