21715698068

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{4374637}}^1$

素因数の和:4374731

約数の個数: 24

約数和(自身を含む): 40789124712

約数和(自身を除く): 19073426644

約数列:

[1, 2, 4, 17, 34, 68, 73, 146, 292, 1241, 2482, 4964, 4374637, 8749274, 17498548, 74368829, 148737658, 297475316, 319348501, 638697002, 1277394004, 5428924517, 10857849034, 21715698068]

約数ペア:

[(1, 21715698068), (2, 10857849034), (4, 5428924517), (17, 1277394004), (34, 638697002), (68, 319348501), (73, 297475316), (146, 148737658), (292, 74368829), (1241, 17498548), (2482, 8749274), (4964, 4374637)]