21123300

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1$

素因数の和:238

約数の個数: 144

約数和(自身を含む): 68870592

約数和(自身を除く): 47747292

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 25, 30, 33, 37, 44, 50, 55, 60, 66, 74, 75, 100, 110, 111, 132, 148, 150, 165, 173, 185, 220, 222, 275, 300, 330, 346, 370, 407, 444, 519, 550, 555, 660, 692, 740, 814, 825, 865, 925, 1038, 1100, 1110, 1221, 1628, 1650, 1730, 1850, 1903, 2035, 2076, 2220, 2442, 2595, 2775, 3300, 3460, 3700, 3806, 4070, 4325, 4884, 5190, 5550, 5709, 6105, 6401, 7612, 8140, 8650, 9515, 10175, 10380, 11100, 11418, 12210, 12802, 12975, 17300, 19030, 19203, 20350, 22836, 24420, 25604, 25950, 28545, 30525, 32005, 38060, 38406, 40700, 47575, 51900, 57090, 61050, 64010, 70411, 76812, 95150, 96015, 114180, 122100, 128020, 140822, 142725, 160025, 190300, 192030, 211233, 281644, 285450, 320050, 352055, 384060, 422466, 480075, 570900, 640100, 704110, 844932, 960150, 1056165, 1408220, 1760275, 1920300, 2112330, 3520550, 4224660, 5280825, 7041100, 10561650, 21123300]

約数ペア:

[(1, 21123300), (2, 10561650), (3, 7041100), (4, 5280825), (5, 4224660), (6, 3520550), (10, 2112330), (11, 1920300), (12, 1760275), (15, 1408220), (20, 1056165), (22, 960150), (25, 844932), (30, 704110), (33, 640100), (37, 570900), (44, 480075), (50, 422466), (55, 384060), (60, 352055), (66, 320050), (74, 285450), (75, 281644), (100, 211233), (110, 192030), (111, 190300), (132, 160025), (148, 142725), (150, 140822), (165, 128020), (173, 122100), (185, 114180), (220, 96015), (222, 95150), (275, 76812), (300, 70411), (330, 64010), (346, 61050), (370, 57090), (407, 51900), (444, 47575), (519, 40700), (550, 38406), (555, 38060), (660, 32005), (692, 30525), (740, 28545), (814, 25950), (825, 25604), (865, 24420), (925, 22836), (1038, 20350), (1100, 19203), (1110, 19030), (1221, 17300), (1628, 12975), (1650, 12802), (1730, 12210), (1850, 11418), (1903, 11100), (2035, 10380), (2076, 10175), (2220, 9515), (2442, 8650), (2595, 8140), (2775, 7612), (3300, 6401), (3460, 6105), (3700, 5709), (3806, 5550), (4070, 5190), (4325, 4884)]