21969772

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{9421}}^1$

素因数の和:9489

約数の個数: 24

約数和(自身を含む): 42738192

約数和(自身を除く): 20768420

約数列:

[1, 2, 4, 11, 22, 44, 53, 106, 212, 583, 1166, 2332, 9421, 18842, 37684, 103631, 207262, 414524, 499313, 998626, 1997252, 5492443, 10984886, 21969772]

約数ペア:

[(1, 21969772), (2, 10984886), (4, 5492443), (11, 1997252), (22, 998626), (44, 499313), (53, 414524), (106, 207262), (212, 103631), (583, 37684), (1166, 18842), (2332, 9421)]