21993340

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{13249}}^1$

素因数の和:13341

約数の個数: 24

約数和(自身を含む): 46746000

約数和(自身を除く): 24752660

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 13249, 26498, 52996, 66245, 132490, 264980, 1099667, 2199334, 4398668, 5498335, 10996670, 21993340]

約数ペア:

[(1, 21993340), (2, 10996670), (4, 5498335), (5, 4398668), (10, 2199334), (20, 1099667), (83, 264980), (166, 132490), (332, 66245), (415, 52996), (830, 26498), (1660, 13249)]