21441000

素因数分解:

$2^3\times 3^1\times 5^3\times 7^1\times {\mathrm{1021}}^1$

素因数の和:1052

約数の個数: 128

約数和(自身を含む): 76527360

約数和(自身を除く): 55086360

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, 105, 120, 125, 140, 150, 168, 175, 200, 210, 250, 280, 300, 350, 375, 420, 500, 525, 600, 700, 750, 840, 875, 1000, 1021, 1050, 1400, 1500, 1750, 2042, 2100, 2625, 3000, 3063, 3500, 4084, 4200, 5105, 5250, 6126, 7000, 7147, 8168, 10210, 10500, 12252, 14294, 15315, 20420, 21000, 21441, 24504, 25525, 28588, 30630, 35735, 40840, 42882, 51050, 57176, 61260, 71470, 76575, 85764, 102100, 107205, 122520, 127625, 142940, 153150, 171528, 178675, 204200, 214410, 255250, 285880, 306300, 357350, 382875, 428820, 510500, 536025, 612600, 714700, 765750, 857640, 893375, 1021000, 1072050, 1429400, 1531500, 1786750, 2144100, 2680125, 3063000, 3573500, 4288200, 5360250, 7147000, 10720500, 21441000]

約数ペア:

[(1, 21441000), (2, 10720500), (3, 7147000), (4, 5360250), (5, 4288200), (6, 3573500), (7, 3063000), (8, 2680125), (10, 2144100), (12, 1786750), (14, 1531500), (15, 1429400), (20, 1072050), (21, 1021000), (24, 893375), (25, 857640), (28, 765750), (30, 714700), (35, 612600), (40, 536025), (42, 510500), (50, 428820), (56, 382875), (60, 357350), (70, 306300), (75, 285880), (84, 255250), (100, 214410), (105, 204200), (120, 178675), (125, 171528), (140, 153150), (150, 142940), (168, 127625), (175, 122520), (200, 107205), (210, 102100), (250, 85764), (280, 76575), (300, 71470), (350, 61260), (375, 57176), (420, 51050), (500, 42882), (525, 40840), (600, 35735), (700, 30630), (750, 28588), (840, 25525), (875, 24504), (1000, 21441), (1021, 21000), (1050, 20420), (1400, 15315), (1500, 14294), (1750, 12252), (2042, 10500), (2100, 10210), (2625, 8168), (3000, 7147), (3063, 7000), (3500, 6126), (4084, 5250), (4200, 5105)]