21476210

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{1069}}^1$

素因数の和:1131

約数の個数: 48

約数和(自身を含む): 46108440

約数和(自身を除く): 24632230

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 49, 70, 82, 98, 205, 245, 287, 410, 490, 574, 1069, 1435, 2009, 2138, 2870, 4018, 5345, 7483, 10045, 10690, 14966, 20090, 37415, 43829, 52381, 74830, 87658, 104762, 219145, 261905, 306803, 438290, 523810, 613606, 1534015, 2147621, 3068030, 4295242, 10738105, 21476210]

約数ペア:

[(1, 21476210), (2, 10738105), (5, 4295242), (7, 3068030), (10, 2147621), (14, 1534015), (35, 613606), (41, 523810), (49, 438290), (70, 306803), (82, 261905), (98, 219145), (205, 104762), (245, 87658), (287, 74830), (410, 52381), (490, 43829), (574, 37415), (1069, 20090), (1435, 14966), (2009, 10690), (2138, 10045), (2870, 7483), (4018, 5345)]