21001422120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{337}}^1\times {\mathrm{74189}}^1$

素因数の和:74547

約数の個数: 128

約数和(自身を含む): 72219513600

約数和(自身を除く): 51218091480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 337, 420, 674, 840, 1011, 1348, 1685, 2022, 2359, 2696, 3370, 4044, 4718, 5055, 6740, 7077, 8088, 9436, 10110, 11795, 13480, 14154, 18872, 20220, 23590, 28308, 35385, 40440, 47180, 56616, 70770, 74189, 94360, 141540, 148378, 222567, 283080, 296756, 370945, 445134, 519323, 593512, 741890, 890268, 1038646, 1112835, 1483780, 1557969, 1780536, 2077292, 2225670, 2596615, 2967560, 3115938, 4154584, 4451340, 5193230, 6231876, 7789845, 8902680, 10386460, 12463752, 15579690, 20772920, 25001693, 31159380, 50003386, 62318760, 75005079, 100006772, 125008465, 150010158, 175011851, 200013544, 250016930, 300020316, 350023702, 375025395, 500033860, 525035553, 600040632, 700047404, 750050790, 875059255, 1000067720, 1050071106, 1400094808, 1500101580, 1750118510, 2100142212, 2625177765, 3000203160, 3500237020, 4200284424, 5250355530, 7000474040, 10500711060, 21001422120]

約数ペア:

[(1, 21001422120), (2, 10500711060), (3, 7000474040), (4, 5250355530), (5, 4200284424), (6, 3500237020), (7, 3000203160), (8, 2625177765), (10, 2100142212), (12, 1750118510), (14, 1500101580), (15, 1400094808), (20, 1050071106), (21, 1000067720), (24, 875059255), (28, 750050790), (30, 700047404), (35, 600040632), (40, 525035553), (42, 500033860), (56, 375025395), (60, 350023702), (70, 300020316), (84, 250016930), (105, 200013544), (120, 175011851), (140, 150010158), (168, 125008465), (210, 100006772), (280, 75005079), (337, 62318760), (420, 50003386), (674, 31159380), (840, 25001693), (1011, 20772920), (1348, 15579690), (1685, 12463752), (2022, 10386460), (2359, 8902680), (2696, 7789845), (3370, 6231876), (4044, 5193230), (4718, 4451340), (5055, 4154584), (6740, 3115938), (7077, 2967560), (8088, 2596615), (9436, 2225670), (10110, 2077292), (11795, 1780536), (13480, 1557969), (14154, 1483780), (18872, 1112835), (20220, 1038646), (23590, 890268), (28308, 741890), (35385, 593512), (40440, 519323), (47180, 445134), (56616, 370945), (70770, 296756), (74189, 283080), (94360, 222567), (141540, 148378)]