21681088

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1$

素因数の和:162

約数の個数: 112

約数和(自身を含む): 53254656

約数和(自身を除く): 31573568

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 23, 26, 32, 44, 46, 52, 64, 88, 92, 103, 104, 143, 176, 184, 206, 208, 253, 286, 299, 352, 368, 412, 416, 506, 572, 598, 704, 736, 824, 832, 1012, 1133, 1144, 1196, 1339, 1472, 1648, 2024, 2266, 2288, 2369, 2392, 2678, 3289, 3296, 4048, 4532, 4576, 4738, 4784, 5356, 6578, 6592, 8096, 9064, 9152, 9476, 9568, 10712, 13156, 14729, 16192, 18128, 18952, 19136, 21424, 26059, 26312, 29458, 30797, 36256, 37904, 42848, 52118, 52624, 58916, 61594, 72512, 75808, 85696, 104236, 105248, 117832, 123188, 151616, 208472, 210496, 235664, 246376, 338767, 416944, 471328, 492752, 677534, 833888, 942656, 985504, 1355068, 1667776, 1971008, 2710136, 5420272, 10840544, 21681088]

約数ペア:

[(1, 21681088), (2, 10840544), (4, 5420272), (8, 2710136), (11, 1971008), (13, 1667776), (16, 1355068), (22, 985504), (23, 942656), (26, 833888), (32, 677534), (44, 492752), (46, 471328), (52, 416944), (64, 338767), (88, 246376), (92, 235664), (103, 210496), (104, 208472), (143, 151616), (176, 123188), (184, 117832), (206, 105248), (208, 104236), (253, 85696), (286, 75808), (299, 72512), (352, 61594), (368, 58916), (412, 52624), (416, 52118), (506, 42848), (572, 37904), (598, 36256), (704, 30797), (736, 29458), (824, 26312), (832, 26059), (1012, 21424), (1133, 19136), (1144, 18952), (1196, 18128), (1339, 16192), (1472, 14729), (1648, 13156), (2024, 10712), (2266, 9568), (2288, 9476), (2369, 9152), (2392, 9064), (2678, 8096), (3289, 6592), (3296, 6578), (4048, 5356), (4532, 4784), (4576, 4738)]