2021067536

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{449}}^1$

素因数の和:684

約数の個数: 80

約数和(自身を含む): 4143150000

約数和(自身を除く): 2122082464

約数列:

[1, 2, 4, 8, 16, 29, 58, 89, 109, 116, 178, 218, 232, 356, 436, 449, 464, 712, 872, 898, 1424, 1744, 1796, 2581, 3161, 3592, 5162, 6322, 7184, 9701, 10324, 12644, 13021, 19402, 20648, 25288, 26042, 38804, 39961, 41296, 48941, 50576, 52084, 77608, 79922, 97882, 104168, 155216, 159844, 195764, 208336, 281329, 319688, 391528, 562658, 639376, 783056, 1125316, 1158869, 1419289, 2250632, 2317738, 2838578, 4355749, 4501264, 4635476, 5677156, 8711498, 9270952, 11354312, 17422996, 18541904, 22708624, 34845992, 69691984, 126316721, 252633442, 505266884, 1010533768, 2021067536]

約数ペア:

[(1, 2021067536), (2, 1010533768), (4, 505266884), (8, 252633442), (16, 126316721), (29, 69691984), (58, 34845992), (89, 22708624), (109, 18541904), (116, 17422996), (178, 11354312), (218, 9270952), (232, 8711498), (356, 5677156), (436, 4635476), (449, 4501264), (464, 4355749), (712, 2838578), (872, 2317738), (898, 2250632), (1424, 1419289), (1744, 1158869), (1796, 1125316), (2581, 783056), (3161, 639376), (3592, 562658), (5162, 391528), (6322, 319688), (7184, 281329), (9701, 208336), (10324, 195764), (12644, 159844), (13021, 155216), (19402, 104168), (20648, 97882), (25288, 79922), (26042, 77608), (38804, 52084), (39961, 50576), (41296, 48941)]