21482090

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{6263}}^1$

素因数の和:6291

約数の個数: 32

約数和(自身を含む): 45100800

約数和(自身を除く): 23618710

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1715, 3430, 6263, 12526, 31315, 43841, 62630, 87682, 219205, 306887, 438410, 613774, 1534435, 2148209, 3068870, 4296418, 10741045, 21482090]

約数ペア:

[(1, 21482090), (2, 10741045), (5, 4296418), (7, 3068870), (10, 2148209), (14, 1534435), (35, 613774), (49, 438410), (70, 306887), (98, 219205), (245, 87682), (343, 62630), (490, 43841), (686, 31315), (1715, 12526), (3430, 6263)]