21735210

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1$

素因数の和:172

約数の個数: 128

約数和(自身を含む): 63866880

約数和(自身を除く): 42131670

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 29, 30, 35, 42, 43, 58, 70, 83, 86, 87, 105, 129, 145, 166, 174, 203, 210, 215, 249, 258, 290, 301, 406, 415, 430, 435, 498, 581, 602, 609, 645, 830, 870, 903, 1015, 1162, 1218, 1245, 1247, 1290, 1505, 1743, 1806, 2030, 2407, 2490, 2494, 2905, 3010, 3045, 3486, 3569, 3741, 4515, 4814, 5810, 6090, 6235, 7138, 7221, 7482, 8715, 8729, 9030, 10707, 12035, 12470, 14442, 16849, 17430, 17458, 17845, 18705, 21414, 24070, 24983, 26187, 33698, 35690, 36105, 37410, 43645, 49966, 50547, 52374, 53535, 72210, 74949, 84245, 87290, 101094, 103501, 107070, 124915, 130935, 149898, 168490, 207002, 249830, 252735, 261870, 310503, 374745, 505470, 517505, 621006, 724507, 749490, 1035010, 1449014, 1552515, 2173521, 3105030, 3622535, 4347042, 7245070, 10867605, 21735210]

約数ペア:

[(1, 21735210), (2, 10867605), (3, 7245070), (5, 4347042), (6, 3622535), (7, 3105030), (10, 2173521), (14, 1552515), (15, 1449014), (21, 1035010), (29, 749490), (30, 724507), (35, 621006), (42, 517505), (43, 505470), (58, 374745), (70, 310503), (83, 261870), (86, 252735), (87, 249830), (105, 207002), (129, 168490), (145, 149898), (166, 130935), (174, 124915), (203, 107070), (210, 103501), (215, 101094), (249, 87290), (258, 84245), (290, 74949), (301, 72210), (406, 53535), (415, 52374), (430, 50547), (435, 49966), (498, 43645), (581, 37410), (602, 36105), (609, 35690), (645, 33698), (830, 26187), (870, 24983), (903, 24070), (1015, 21414), (1162, 18705), (1218, 17845), (1245, 17458), (1247, 17430), (1290, 16849), (1505, 14442), (1743, 12470), (1806, 12035), (2030, 10707), (2407, 9030), (2490, 8729), (2494, 8715), (2905, 7482), (3010, 7221), (3045, 7138), (3486, 6235), (3569, 6090), (3741, 5810), (4515, 4814)]