21568572

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{457}}^1$

素因数の和:512

約数の個数: 96

約数和(自身を含む): 61555200

約数和(自身を除く): 39986628

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 23, 27, 36, 38, 46, 54, 57, 69, 76, 92, 108, 114, 138, 171, 207, 228, 276, 342, 414, 437, 457, 513, 621, 684, 828, 874, 914, 1026, 1242, 1311, 1371, 1748, 1828, 2052, 2484, 2622, 2742, 3933, 4113, 5244, 5484, 7866, 8226, 8683, 10511, 11799, 12339, 15732, 16452, 17366, 21022, 23598, 24678, 26049, 31533, 34732, 42044, 47196, 49356, 52098, 63066, 78147, 94599, 104196, 126132, 156294, 189198, 199709, 234441, 283797, 312588, 378396, 399418, 468882, 567594, 599127, 798836, 937764, 1135188, 1198254, 1797381, 2396508, 3594762, 5392143, 7189524, 10784286, 21568572]

約数ペア:

[(1, 21568572), (2, 10784286), (3, 7189524), (4, 5392143), (6, 3594762), (9, 2396508), (12, 1797381), (18, 1198254), (19, 1135188), (23, 937764), (27, 798836), (36, 599127), (38, 567594), (46, 468882), (54, 399418), (57, 378396), (69, 312588), (76, 283797), (92, 234441), (108, 199709), (114, 189198), (138, 156294), (171, 126132), (207, 104196), (228, 94599), (276, 78147), (342, 63066), (414, 52098), (437, 49356), (457, 47196), (513, 42044), (621, 34732), (684, 31533), (828, 26049), (874, 24678), (914, 23598), (1026, 21022), (1242, 17366), (1311, 16452), (1371, 15732), (1748, 12339), (1828, 11799), (2052, 10511), (2484, 8683), (2622, 8226), (2742, 7866), (3933, 5484), (4113, 5244)]