21606046

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{307}}^1\times {\mathrm{457}}^1$

素因数の和:784

約数の個数: 32

約数和(自身を含む): 40626432

約数和(自身を除く): 19020386

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 307, 457, 614, 914, 2149, 3199, 3377, 4298, 5027, 6398, 6754, 10054, 23639, 35189, 47278, 70378, 140299, 280598, 982093, 1543289, 1964186, 3086578, 10803023, 21606046]

約数ペア:

[(1, 21606046), (2, 10803023), (7, 3086578), (11, 1964186), (14, 1543289), (22, 982093), (77, 280598), (154, 140299), (307, 70378), (457, 47278), (614, 35189), (914, 23639), (2149, 10054), (3199, 6754), (3377, 6398), (4298, 5027)]