2121000

素因数分解:

$2^3\times 3^1\times 5^3\times 7^1\times {\mathrm{101}}^1$

素因数の和:132

約数の個数: 128

約数和(自身を含む): 7637760

約数和(自身を除く): 5516760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 25, 28, 30, 35, 40, 42, 50, 56, 60, 70, 75, 84, 100, 101, 105, 120, 125, 140, 150, 168, 175, 200, 202, 210, 250, 280, 300, 303, 350, 375, 404, 420, 500, 505, 525, 600, 606, 700, 707, 750, 808, 840, 875, 1000, 1010, 1050, 1212, 1400, 1414, 1500, 1515, 1750, 2020, 2100, 2121, 2424, 2525, 2625, 2828, 3000, 3030, 3500, 3535, 4040, 4200, 4242, 5050, 5250, 5656, 6060, 7000, 7070, 7575, 8484, 10100, 10500, 10605, 12120, 12625, 14140, 15150, 16968, 17675, 20200, 21000, 21210, 25250, 28280, 30300, 35350, 37875, 42420, 50500, 53025, 60600, 70700, 75750, 84840, 88375, 101000, 106050, 141400, 151500, 176750, 212100, 265125, 303000, 353500, 424200, 530250, 707000, 1060500, 2121000]

約数ペア:

[(1, 2121000), (2, 1060500), (3, 707000), (4, 530250), (5, 424200), (6, 353500), (7, 303000), (8, 265125), (10, 212100), (12, 176750), (14, 151500), (15, 141400), (20, 106050), (21, 101000), (24, 88375), (25, 84840), (28, 75750), (30, 70700), (35, 60600), (40, 53025), (42, 50500), (50, 42420), (56, 37875), (60, 35350), (70, 30300), (75, 28280), (84, 25250), (100, 21210), (101, 21000), (105, 20200), (120, 17675), (125, 16968), (140, 15150), (150, 14140), (168, 12625), (175, 12120), (200, 10605), (202, 10500), (210, 10100), (250, 8484), (280, 7575), (300, 7070), (303, 7000), (350, 6060), (375, 5656), (404, 5250), (420, 5050), (500, 4242), (505, 4200), (525, 4040), (600, 3535), (606, 3500), (700, 3030), (707, 3000), (750, 2828), (808, 2625), (840, 2525), (875, 2424), (1000, 2121), (1010, 2100), (1050, 2020), (1212, 1750), (1400, 1515), (1414, 1500)]