21014224

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{461}}^1$

素因数の和:524

約数の個数: 80

約数和(自身を含む): 52246656

約数和(自身を除く): 31232432

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 37, 44, 56, 74, 77, 88, 112, 148, 154, 176, 259, 296, 308, 407, 461, 518, 592, 616, 814, 922, 1036, 1232, 1628, 1844, 2072, 2849, 3227, 3256, 3688, 4144, 5071, 5698, 6454, 6512, 7376, 10142, 11396, 12908, 17057, 20284, 22792, 25816, 34114, 35497, 40568, 45584, 51632, 68228, 70994, 81136, 119399, 136456, 141988, 187627, 238798, 272912, 283976, 375254, 477596, 567952, 750508, 955192, 1313389, 1501016, 1910384, 2626778, 3002032, 5253556, 10507112, 21014224]

約数ペア:

[(1, 21014224), (2, 10507112), (4, 5253556), (7, 3002032), (8, 2626778), (11, 1910384), (14, 1501016), (16, 1313389), (22, 955192), (28, 750508), (37, 567952), (44, 477596), (56, 375254), (74, 283976), (77, 272912), (88, 238798), (112, 187627), (148, 141988), (154, 136456), (176, 119399), (259, 81136), (296, 70994), (308, 68228), (407, 51632), (461, 45584), (518, 40568), (592, 35497), (616, 34114), (814, 25816), (922, 22792), (1036, 20284), (1232, 17057), (1628, 12908), (1844, 11396), (2072, 10142), (2849, 7376), (3227, 6512), (3256, 6454), (3688, 5698), (4144, 5071)]