21834040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{28729}}^1$

素因数の和:28759

約数の個数: 32

約数和(自身を含む): 51714000

約数和(自身を除く): 29879960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 28729, 57458, 114916, 143645, 229832, 287290, 545851, 574580, 1091702, 1149160, 2183404, 2729255, 4366808, 5458510, 10917020, 21834040]

約数ペア:

[(1, 21834040), (2, 10917020), (4, 5458510), (5, 4366808), (8, 2729255), (10, 2183404), (19, 1149160), (20, 1091702), (38, 574580), (40, 545851), (76, 287290), (95, 229832), (152, 143645), (190, 114916), (380, 57458), (760, 28729)]