21892280

素因数分解:

$2^3\times 5^1\times {\mathrm{383}}^1\times {\mathrm{1429}}^1$

素因数の和:1823

約数の個数: 32

約数和(自身を含む): 49420800

約数和(自身を除く): 27528520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 383, 766, 1429, 1532, 1915, 2858, 3064, 3830, 5716, 7145, 7660, 11432, 14290, 15320, 28580, 57160, 547307, 1094614, 2189228, 2736535, 4378456, 5473070, 10946140, 21892280]

約数ペア:

[(1, 21892280), (2, 10946140), (4, 5473070), (5, 4378456), (8, 2736535), (10, 2189228), (20, 1094614), (40, 547307), (383, 57160), (766, 28580), (1429, 15320), (1532, 14290), (1915, 11432), (2858, 7660), (3064, 7145), (3830, 5716)]