21886040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{49741}}^1$

素因数の和:49763

約数の個数: 32

約数和(自身を含む): 53721360

約数和(自身を除く): 31835320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 49741, 99482, 198964, 248705, 397928, 497410, 547151, 994820, 1094302, 1989640, 2188604, 2735755, 4377208, 5471510, 10943020, 21886040]

約数ペア:

[(1, 21886040), (2, 10943020), (4, 5471510), (5, 4377208), (8, 2735755), (10, 2188604), (11, 1989640), (20, 1094302), (22, 994820), (40, 547151), (44, 497410), (55, 397928), (88, 248705), (110, 198964), (220, 99482), (440, 49741)]