21128179968014

素因数分解:

$2^1\times 7^2\times {\mathrm{2549}}^1\times {\mathrm{84579707}}^1$

素因数の和:84582272

約数の個数: 24

約数和(自身を含む): 36880981673400

約数和(自身を除く): 15752801705386

約数列:

[1, 2, 7, 14, 49, 98, 2549, 5098, 17843, 35686, 124901, 249802, 84579707, 169159414, 592057949, 1184115898, 4144405643, 8288811286, 215593673143, 431187346286, 1509155712001, 3018311424002, 10564089984007, 21128179968014]

約数ペア:

[(1, 21128179968014), (2, 10564089984007), (7, 3018311424002), (14, 1509155712001), (49, 431187346286), (98, 215593673143), (2549, 8288811286), (5098, 4144405643), (17843, 1184115898), (35686, 592057949), (124901, 169159414), (249802, 84579707)]