21760278

素因数分解:

$2^1\times 3^1\times {\mathrm{73}}^1\times {\mathrm{49681}}^1$

素因数の和:49759

約数の個数: 16

約数和(自身を含む): 44117616

約数和(自身を除く): 22357338

約数列:

[1, 2, 3, 6, 73, 146, 219, 438, 49681, 99362, 149043, 298086, 3626713, 7253426, 10880139, 21760278]

約数ペア:

[(1, 21760278), (2, 10880139), (3, 7253426), (6, 3626713), (73, 298086), (146, 149043), (219, 99362), (438, 49681)]