21431410

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2141}}^1$

素因数の和:2179

約数の個数: 64

約数和(自身を含む): 51819264

約数和(自身を除く): 30387854

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 26, 35, 55, 65, 70, 77, 91, 110, 130, 143, 154, 182, 286, 385, 455, 715, 770, 910, 1001, 1430, 2002, 2141, 4282, 5005, 10010, 10705, 14987, 21410, 23551, 27833, 29974, 47102, 55666, 74935, 117755, 139165, 149870, 164857, 194831, 235510, 278330, 306163, 329714, 389662, 612326, 824285, 974155, 1530815, 1648570, 1948310, 2143141, 3061630, 4286282, 10715705, 21431410]

約数ペア:

[(1, 21431410), (2, 10715705), (5, 4286282), (7, 3061630), (10, 2143141), (11, 1948310), (13, 1648570), (14, 1530815), (22, 974155), (26, 824285), (35, 612326), (55, 389662), (65, 329714), (70, 306163), (77, 278330), (91, 235510), (110, 194831), (130, 164857), (143, 149870), (154, 139165), (182, 117755), (286, 74935), (385, 55666), (455, 47102), (715, 29974), (770, 27833), (910, 23551), (1001, 21410), (1430, 14987), (2002, 10705), (2141, 10010), (4282, 5005)]