21411468904

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{84199}}^1$

素因数の和:84470

約数の個数: 64

約数和(自身を含む): 48499200000

約数和(自身を除く): 27087731096

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 239, 266, 478, 532, 956, 1064, 1673, 1912, 3346, 4541, 6692, 9082, 13384, 18164, 31787, 36328, 63574, 84199, 127148, 168398, 254296, 336796, 589393, 673592, 1178786, 1599781, 2357572, 3199562, 4715144, 6399124, 11198467, 12798248, 20123561, 22396934, 40247122, 44793868, 80494244, 89587736, 140864927, 160988488, 281729854, 382347659, 563459708, 764695318, 1126919416, 1529390636, 2676433613, 3058781272, 5352867226, 10705734452, 21411468904]

約数ペア:

[(1, 21411468904), (2, 10705734452), (4, 5352867226), (7, 3058781272), (8, 2676433613), (14, 1529390636), (19, 1126919416), (28, 764695318), (38, 563459708), (56, 382347659), (76, 281729854), (133, 160988488), (152, 140864927), (239, 89587736), (266, 80494244), (478, 44793868), (532, 40247122), (956, 22396934), (1064, 20123561), (1673, 12798248), (1912, 11198467), (3346, 6399124), (4541, 4715144), (6692, 3199562), (9082, 2357572), (13384, 1599781), (18164, 1178786), (31787, 673592), (36328, 589393), (63574, 336796), (84199, 254296), (127148, 168398)]