21971026

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{6203}}^1$

素因数の和:6246

約数の個数: 32

約数和(自身を含む): 42882048

約数和(自身を除く): 20911022

約数列:

[1, 2, 7, 11, 14, 22, 23, 46, 77, 154, 161, 253, 322, 506, 1771, 3542, 6203, 12406, 43421, 68233, 86842, 136466, 142669, 285338, 477631, 955262, 998683, 1569359, 1997366, 3138718, 10985513, 21971026]

約数ペア:

[(1, 21971026), (2, 10985513), (7, 3138718), (11, 1997366), (14, 1569359), (22, 998683), (23, 955262), (46, 477631), (77, 285338), (154, 142669), (161, 136466), (253, 86842), (322, 68233), (506, 43421), (1771, 12406), (3542, 6203)]