2021081328

素因数分解:

$2^4\times 3^3\times 7^1\times {\mathrm{668347}}^1$

素因数の和:668371

約数の個数: 80

約数和(自身を含む): 6630012160

約数和(自身を除く): 4608930832

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 48, 54, 56, 63, 72, 84, 108, 112, 126, 144, 168, 189, 216, 252, 336, 378, 432, 504, 756, 1008, 1512, 3024, 668347, 1336694, 2005041, 2673388, 4010082, 4678429, 5346776, 6015123, 8020164, 9356858, 10693552, 12030246, 14035287, 16040328, 18045369, 18713716, 24060492, 28070574, 32080656, 36090738, 37427432, 42105861, 48120984, 56141148, 72181476, 74854864, 84211722, 96241968, 112282296, 126317583, 144362952, 168423444, 224564592, 252635166, 288725904, 336846888, 505270332, 673693776, 1010540664, 2021081328]

約数ペア:

[(1, 2021081328), (2, 1010540664), (3, 673693776), (4, 505270332), (6, 336846888), (7, 288725904), (8, 252635166), (9, 224564592), (12, 168423444), (14, 144362952), (16, 126317583), (18, 112282296), (21, 96241968), (24, 84211722), (27, 74854864), (28, 72181476), (36, 56141148), (42, 48120984), (48, 42105861), (54, 37427432), (56, 36090738), (63, 32080656), (72, 28070574), (84, 24060492), (108, 18713716), (112, 18045369), (126, 16040328), (144, 14035287), (168, 12030246), (189, 10693552), (216, 9356858), (252, 8020164), (336, 6015123), (378, 5346776), (432, 4678429), (504, 4010082), (756, 2673388), (1008, 2005041), (1512, 1336694), (3024, 668347)]