21360951

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{2789}}^1$

素因数の和:2855

約数の個数: 24

約数和(自身を含む): 33078240

約数和(自身を除く): 11717289

約数列:

[1, 3, 9, 23, 37, 69, 111, 207, 333, 851, 2553, 2789, 7659, 8367, 25101, 64147, 103193, 192441, 309579, 577323, 928737, 2373439, 7120317, 21360951]

約数ペア:

[(1, 21360951), (3, 7120317), (9, 2373439), (23, 928737), (37, 577323), (69, 309579), (111, 192441), (207, 103193), (333, 64147), (851, 25101), (2553, 8367), (2789, 7659)]