21402124415

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{972161}}^1$

素因数の和:972227

約数の個数: 32

約数和(自身を含む): 31918022784

約数和(自身を除く): 10515898369

約数列:

[1, 5, 7, 17, 35, 37, 85, 119, 185, 259, 595, 629, 1295, 3145, 4403, 22015, 972161, 4860805, 6805127, 16526737, 34025635, 35969957, 82633685, 115687159, 179849785, 251789699, 578435795, 611489269, 1258948495, 3057446345, 4280424883, 21402124415]

約数ペア:

[(1, 21402124415), (5, 4280424883), (7, 3057446345), (17, 1258948495), (35, 611489269), (37, 578435795), (85, 251789699), (119, 179849785), (185, 115687159), (259, 82633685), (595, 35969957), (629, 34025635), (1295, 16526737), (3145, 6805127), (4403, 4860805), (22015, 972161)]