21679565516

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{193133}}^1$

素因数の和:193374

約数の個数: 48

約数和(自身を含む): 45857736960

約数和(自身を除く): 24178171444

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 211, 266, 422, 532, 844, 1477, 2954, 4009, 5908, 8018, 16036, 28063, 56126, 112252, 193133, 386266, 772532, 1351931, 2703862, 3669527, 5407724, 7339054, 14678108, 25686689, 40751063, 51373378, 81502126, 102746756, 163004252, 285257441, 570514882, 774270197, 1141029764, 1548540394, 3097080788, 5419891379, 10839782758, 21679565516]

約数ペア:

[(1, 21679565516), (2, 10839782758), (4, 5419891379), (7, 3097080788), (14, 1548540394), (19, 1141029764), (28, 774270197), (38, 570514882), (76, 285257441), (133, 163004252), (211, 102746756), (266, 81502126), (422, 51373378), (532, 40751063), (844, 25686689), (1477, 14678108), (2954, 7339054), (4009, 5407724), (5908, 3669527), (8018, 2703862), (16036, 1351931), (28063, 772532), (56126, 386266), (112252, 193133)]