21135888

素因数分解:

$2^4\times 3^2\times {\mathrm{146777}}^1$

素因数の和:146791

約数の個数: 30

約数和(自身を含む): 59151534

約数和(自身を除く): 38015646

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 146777, 293554, 440331, 587108, 880662, 1174216, 1320993, 1761324, 2348432, 2641986, 3522648, 5283972, 7045296, 10567944, 21135888]

約数ペア:

[(1, 21135888), (2, 10567944), (3, 7045296), (4, 5283972), (6, 3522648), (8, 2641986), (9, 2348432), (12, 1761324), (16, 1320993), (18, 1174216), (24, 880662), (36, 587108), (48, 440331), (72, 293554), (144, 146777)]