21998262

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{25639}}^1$

素因数の和:25668

約数の個数: 32

約数和(自身を含む): 51690240

約数和(自身を除く): 29691978

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 143, 286, 429, 858, 25639, 51278, 76917, 153834, 282029, 333307, 564058, 666614, 846087, 999921, 1692174, 1999842, 3666377, 7332754, 10999131, 21998262]

約数ペア:

[(1, 21998262), (2, 10999131), (3, 7332754), (6, 3666377), (11, 1999842), (13, 1692174), (22, 999921), (26, 846087), (33, 666614), (39, 564058), (66, 333307), (78, 282029), (143, 153834), (286, 76917), (429, 51278), (858, 25639)]