21990557689

素因数分解:

${\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{251519}}^1$

素因数の和:251712

約数の個数: 16

約数和(自身を含む): 24085555200

約数和(自身を除く): 2094997511

約数列:

[1, 17, 37, 139, 629, 2363, 5143, 87431, 251519, 4275823, 9306203, 34961141, 158205451, 594339397, 1293562217, 21990557689]

約数ペア:

[(1, 21990557689), (17, 1293562217), (37, 594339397), (139, 158205451), (629, 34961141), (2363, 9306203), (5143, 4275823), (87431, 251519)]