21422520

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{8501}}^1$

素因数の和:8525

約数の個数: 96

約数和(自身を含む): 79578720

約数和(自身を除く): 58156200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 8501, 17002, 25503, 34004, 42505, 51006, 59507, 68008, 76509, 85010, 102012, 119014, 127515, 153018, 170020, 178521, 204024, 238028, 255030, 297535, 306036, 340040, 357042, 382545, 476056, 510060, 535563, 595070, 612072, 714084, 765090, 892605, 1020120, 1071126, 1190140, 1428168, 1530180, 1785210, 2142252, 2380280, 2677815, 3060360, 3570420, 4284504, 5355630, 7140840, 10711260, 21422520]

約数ペア:

[(1, 21422520), (2, 10711260), (3, 7140840), (4, 5355630), (5, 4284504), (6, 3570420), (7, 3060360), (8, 2677815), (9, 2380280), (10, 2142252), (12, 1785210), (14, 1530180), (15, 1428168), (18, 1190140), (20, 1071126), (21, 1020120), (24, 892605), (28, 765090), (30, 714084), (35, 612072), (36, 595070), (40, 535563), (42, 510060), (45, 476056), (56, 382545), (60, 357042), (63, 340040), (70, 306036), (72, 297535), (84, 255030), (90, 238028), (105, 204024), (120, 178521), (126, 170020), (140, 153018), (168, 127515), (180, 119014), (210, 102012), (252, 85010), (280, 76509), (315, 68008), (360, 59507), (420, 51006), (504, 42505), (630, 34004), (840, 25503), (1260, 17002), (2520, 8501)]