21166035

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{3467}}^1$

素因数の和:3523

約数の個数: 32

約数和(自身を含む): 37953792

約数和(自身を除く): 16787757

約数列:

[1, 3, 5, 11, 15, 33, 37, 55, 111, 165, 185, 407, 555, 1221, 2035, 3467, 6105, 10401, 17335, 38137, 52005, 114411, 128279, 190685, 384837, 572055, 641395, 1411069, 1924185, 4233207, 7055345, 21166035]

約数ペア:

[(1, 21166035), (3, 7055345), (5, 4233207), (11, 1924185), (15, 1411069), (33, 641395), (37, 572055), (55, 384837), (111, 190685), (165, 128279), (185, 114411), (407, 52005), (555, 38137), (1221, 17335), (2035, 10401), (3467, 6105)]