21520578

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{311}}^1\times {\mathrm{607}}^1$

素因数の和:942

約数の個数: 32

約数和(自身を含む): 45527040

約数和(自身を除く): 24006462

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 311, 607, 622, 933, 1214, 1821, 1866, 3642, 5909, 11533, 11818, 17727, 23066, 34599, 35454, 69198, 188777, 377554, 566331, 1132662, 3586763, 7173526, 10760289, 21520578]

約数ペア:

[(1, 21520578), (2, 10760289), (3, 7173526), (6, 3586763), (19, 1132662), (38, 566331), (57, 377554), (114, 188777), (311, 69198), (607, 35454), (622, 34599), (933, 23066), (1214, 17727), (1821, 11818), (1866, 11533), (3642, 5909)]