21082866

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{2251}}^1$

素因数の和:2486

約数の個数: 32

約数和(自身を含む): 48427008

約数和(自身を除く): 27344142

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 223, 446, 669, 1338, 1561, 2251, 3122, 4502, 4683, 6753, 9366, 13506, 15757, 31514, 47271, 94542, 501973, 1003946, 1505919, 3011838, 3513811, 7027622, 10541433, 21082866]

約数ペア:

[(1, 21082866), (2, 10541433), (3, 7027622), (6, 3513811), (7, 3011838), (14, 1505919), (21, 1003946), (42, 501973), (223, 94542), (446, 47271), (669, 31514), (1338, 15757), (1561, 13506), (2251, 9366), (3122, 6753), (4502, 4683)]