21583982

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{3943}}^1$

素因数の和:3992

約数の個数: 32

約数和(自身を含む): 40891392

約数和(自身を除く): 19307410

約数列:

[1, 2, 7, 14, 17, 23, 34, 46, 119, 161, 238, 322, 391, 782, 2737, 3943, 5474, 7886, 27601, 55202, 67031, 90689, 134062, 181378, 469217, 634823, 938434, 1269646, 1541713, 3083426, 10791991, 21583982]

約数ペア:

[(1, 21583982), (2, 10791991), (7, 3083426), (14, 1541713), (17, 1269646), (23, 938434), (34, 634823), (46, 469217), (119, 181378), (161, 134062), (238, 90689), (322, 67031), (391, 55202), (782, 27601), (2737, 7886), (3943, 5474)]