21000340824

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{1193}}^1\times {\mathrm{38603}}^1$

素因数の和:39824

約数の個数: 64

約数和(自身を含む): 55311811200

約数和(自身を除く): 34311470376

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 114, 152, 228, 456, 1193, 2386, 3579, 4772, 7158, 9544, 14316, 22667, 28632, 38603, 45334, 68001, 77206, 90668, 115809, 136002, 154412, 181336, 231618, 272004, 308824, 463236, 544008, 733457, 926472, 1466914, 2200371, 2933828, 4400742, 5867656, 8801484, 17602968, 46053379, 92106758, 138160137, 184213516, 276320274, 368427032, 552640548, 875014201, 1105281096, 1750028402, 2625042603, 3500056804, 5250085206, 7000113608, 10500170412, 21000340824]

約数ペア:

[(1, 21000340824), (2, 10500170412), (3, 7000113608), (4, 5250085206), (6, 3500056804), (8, 2625042603), (12, 1750028402), (19, 1105281096), (24, 875014201), (38, 552640548), (57, 368427032), (76, 276320274), (114, 184213516), (152, 138160137), (228, 92106758), (456, 46053379), (1193, 17602968), (2386, 8801484), (3579, 5867656), (4772, 4400742), (7158, 2933828), (9544, 2200371), (14316, 1466914), (22667, 926472), (28632, 733457), (38603, 544008), (45334, 463236), (68001, 308824), (77206, 272004), (90668, 231618), (115809, 181336), (136002, 154412)]