21030240

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{569}}^1$

素因数の和:605

約数の個数: 192

約数和(自身を含む): 82736640

約数和(自身を除く): 61706400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 32, 33, 35, 40, 42, 44, 48, 55, 56, 60, 66, 70, 77, 80, 84, 88, 96, 105, 110, 112, 120, 132, 140, 154, 160, 165, 168, 176, 210, 220, 224, 231, 240, 264, 280, 308, 330, 336, 352, 385, 420, 440, 462, 480, 528, 560, 569, 616, 660, 672, 770, 840, 880, 924, 1056, 1120, 1138, 1155, 1232, 1320, 1540, 1680, 1707, 1760, 1848, 2276, 2310, 2464, 2640, 2845, 3080, 3360, 3414, 3696, 3983, 4552, 4620, 5280, 5690, 6160, 6259, 6828, 7392, 7966, 8535, 9104, 9240, 11380, 11949, 12320, 12518, 13656, 15932, 17070, 18208, 18480, 18777, 19915, 22760, 23898, 25036, 27312, 31295, 31864, 34140, 36960, 37554, 39830, 43813, 45520, 47796, 50072, 54624, 59745, 62590, 63728, 68280, 75108, 79660, 87626, 91040, 93885, 95592, 100144, 119490, 125180, 127456, 131439, 136560, 150216, 159320, 175252, 187770, 191184, 200288, 219065, 238980, 250360, 262878, 273120, 300432, 318640, 350504, 375540, 382368, 438130, 477960, 500720, 525756, 600864, 637280, 657195, 701008, 751080, 876260, 955920, 1001440, 1051512, 1314390, 1402016, 1502160, 1752520, 1911840, 2103024, 2628780, 3004320, 3505040, 4206048, 5257560, 7010080, 10515120, 21030240]

約数ペア:

[(1, 21030240), (2, 10515120), (3, 7010080), (4, 5257560), (5, 4206048), (6, 3505040), (7, 3004320), (8, 2628780), (10, 2103024), (11, 1911840), (12, 1752520), (14, 1502160), (15, 1402016), (16, 1314390), (20, 1051512), (21, 1001440), (22, 955920), (24, 876260), (28, 751080), (30, 701008), (32, 657195), (33, 637280), (35, 600864), (40, 525756), (42, 500720), (44, 477960), (48, 438130), (55, 382368), (56, 375540), (60, 350504), (66, 318640), (70, 300432), (77, 273120), (80, 262878), (84, 250360), (88, 238980), (96, 219065), (105, 200288), (110, 191184), (112, 187770), (120, 175252), (132, 159320), (140, 150216), (154, 136560), (160, 131439), (165, 127456), (168, 125180), (176, 119490), (210, 100144), (220, 95592), (224, 93885), (231, 91040), (240, 87626), (264, 79660), (280, 75108), (308, 68280), (330, 63728), (336, 62590), (352, 59745), (385, 54624), (420, 50072), (440, 47796), (462, 45520), (480, 43813), (528, 39830), (560, 37554), (569, 36960), (616, 34140), (660, 31864), (672, 31295), (770, 27312), (840, 25036), (880, 23898), (924, 22760), (1056, 19915), (1120, 18777), (1138, 18480), (1155, 18208), (1232, 17070), (1320, 15932), (1540, 13656), (1680, 12518), (1707, 12320), (1760, 11949), (1848, 11380), (2276, 9240), (2310, 9104), (2464, 8535), (2640, 7966), (2845, 7392), (3080, 6828), (3360, 6259), (3414, 6160), (3696, 5690), (3983, 5280), (4552, 4620)]