21726992

素因数分解:

$2^4\times 7^3\times {\mathrm{37}}^1\times {\mathrm{107}}^1$

素因数の和:173

約数の個数: 80

約数和(自身を含む): 50889600

約数和(自身を除く): 29162608

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 37, 49, 56, 74, 98, 107, 112, 148, 196, 214, 259, 296, 343, 392, 428, 518, 592, 686, 749, 784, 856, 1036, 1372, 1498, 1712, 1813, 2072, 2744, 2996, 3626, 3959, 4144, 5243, 5488, 5992, 7252, 7918, 10486, 11984, 12691, 14504, 15836, 20972, 25382, 27713, 29008, 31672, 36701, 41944, 50764, 55426, 63344, 73402, 83888, 101528, 110852, 146804, 193991, 203056, 221704, 293608, 387982, 443408, 587216, 775964, 1357937, 1551928, 2715874, 3103856, 5431748, 10863496, 21726992]

約数ペア:

[(1, 21726992), (2, 10863496), (4, 5431748), (7, 3103856), (8, 2715874), (14, 1551928), (16, 1357937), (28, 775964), (37, 587216), (49, 443408), (56, 387982), (74, 293608), (98, 221704), (107, 203056), (112, 193991), (148, 146804), (196, 110852), (214, 101528), (259, 83888), (296, 73402), (343, 63344), (392, 55426), (428, 50764), (518, 41944), (592, 36701), (686, 31672), (749, 29008), (784, 27713), (856, 25382), (1036, 20972), (1372, 15836), (1498, 14504), (1712, 12691), (1813, 11984), (2072, 10486), (2744, 7918), (2996, 7252), (3626, 5992), (3959, 5488), (4144, 5243)]