21770931

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4691}}^1$

素因数の和:4731

約数の個数: 32

約数和(自身を含む): 37836288

約数和(自身を除く): 16065357

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 91, 119, 221, 273, 357, 663, 1547, 4641, 4691, 14073, 32837, 60983, 79747, 98511, 182949, 239241, 426881, 558229, 1036711, 1280643, 1674687, 3110133, 7256977, 21770931]

約数ペア:

[(1, 21770931), (3, 7256977), (7, 3110133), (13, 1674687), (17, 1280643), (21, 1036711), (39, 558229), (51, 426881), (91, 239241), (119, 182949), (221, 98511), (273, 79747), (357, 60983), (663, 32837), (1547, 14073), (4641, 4691)]