21310364

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{263}}^1\times {\mathrm{431}}^1$

素因数の和:745

約数の個数: 24

約数和(自身を含む): 38320128

約数和(自身を除く): 17009764

約数列:

[1, 2, 4, 47, 94, 188, 263, 431, 526, 862, 1052, 1724, 12361, 20257, 24722, 40514, 49444, 81028, 113353, 226706, 453412, 5327591, 10655182, 21310364]

約数ペア:

[(1, 21310364), (2, 10655182), (4, 5327591), (47, 453412), (94, 226706), (188, 113353), (263, 81028), (431, 49444), (526, 40514), (862, 24722), (1052, 20257), (1724, 12361)]