21925904

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^2$

素因数の和:113

約数の個数: 120

約数和(自身を含む): 58621248

約数和(自身を除く): 36695344

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 37, 44, 52, 56, 74, 77, 88, 91, 104, 112, 143, 148, 154, 176, 182, 208, 259, 286, 296, 308, 364, 407, 481, 518, 572, 592, 616, 728, 814, 962, 1001, 1036, 1144, 1232, 1369, 1456, 1628, 1924, 2002, 2072, 2288, 2738, 2849, 3256, 3367, 3848, 4004, 4144, 5291, 5476, 5698, 6512, 6734, 7696, 8008, 9583, 10582, 10952, 11396, 13468, 15059, 16016, 17797, 19166, 21164, 21904, 22792, 26936, 30118, 35594, 37037, 38332, 42328, 45584, 53872, 60236, 71188, 74074, 76664, 84656, 105413, 120472, 124579, 142376, 148148, 153328, 195767, 210826, 240944, 249158, 284752, 296296, 391534, 421652, 498316, 592592, 783068, 843304, 996632, 1370369, 1566136, 1686608, 1993264, 2740738, 3132272, 5481476, 10962952, 21925904]

約数ペア:

[(1, 21925904), (2, 10962952), (4, 5481476), (7, 3132272), (8, 2740738), (11, 1993264), (13, 1686608), (14, 1566136), (16, 1370369), (22, 996632), (26, 843304), (28, 783068), (37, 592592), (44, 498316), (52, 421652), (56, 391534), (74, 296296), (77, 284752), (88, 249158), (91, 240944), (104, 210826), (112, 195767), (143, 153328), (148, 148148), (154, 142376), (176, 124579), (182, 120472), (208, 105413), (259, 84656), (286, 76664), (296, 74074), (308, 71188), (364, 60236), (407, 53872), (481, 45584), (518, 42328), (572, 38332), (592, 37037), (616, 35594), (728, 30118), (814, 26936), (962, 22792), (1001, 21904), (1036, 21164), (1144, 19166), (1232, 17797), (1369, 16016), (1456, 15059), (1628, 13468), (1924, 11396), (2002, 10952), (2072, 10582), (2288, 9583), (2738, 8008), (2849, 7696), (3256, 6734), (3367, 6512), (3848, 5698), (4004, 5476), (4144, 5291)]