21885160

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{49739}}^1$

素因数の和:49761

約数の個数: 32

約数和(自身を含む): 53719200

約数和(自身を除く): 31834040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 49739, 99478, 198956, 248695, 397912, 497390, 547129, 994780, 1094258, 1989560, 2188516, 2735645, 4377032, 5471290, 10942580, 21885160]

約数ペア:

[(1, 21885160), (2, 10942580), (4, 5471290), (5, 4377032), (8, 2735645), (10, 2188516), (11, 1989560), (20, 1094258), (22, 994780), (40, 547129), (44, 497390), (55, 397912), (88, 248695), (110, 198956), (220, 99478), (440, 49739)]