21983170

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{8689}}^1$

素因数の和:8730

約数の個数: 32

約数和(自身を含む): 45048960

約数和(自身を除く): 23065790

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 2530, 8689, 17378, 43445, 86890, 95579, 191158, 199847, 399694, 477895, 955790, 999235, 1998470, 2198317, 4396634, 10991585, 21983170]

約数ペア:

[(1, 21983170), (2, 10991585), (5, 4396634), (10, 2198317), (11, 1998470), (22, 999235), (23, 955790), (46, 477895), (55, 399694), (110, 199847), (115, 191158), (230, 95579), (253, 86890), (506, 43445), (1265, 17378), (2530, 8689)]