21659664

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{337}}^1$

素因数の和:464

約数の個数: 80

約数和(自身を含む): 61023872

約数和(自身を除く): 39364208

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 103, 104, 156, 206, 208, 309, 312, 337, 412, 618, 624, 674, 824, 1011, 1236, 1339, 1348, 1648, 2022, 2472, 2678, 2696, 4017, 4044, 4381, 4944, 5356, 5392, 8034, 8088, 8762, 10712, 13143, 16068, 16176, 17524, 21424, 26286, 32136, 34711, 35048, 52572, 64272, 69422, 70096, 104133, 105144, 138844, 208266, 210288, 277688, 416532, 451243, 555376, 833064, 902486, 1353729, 1666128, 1804972, 2707458, 3609944, 5414916, 7219888, 10829832, 21659664]

約数ペア:

[(1, 21659664), (2, 10829832), (3, 7219888), (4, 5414916), (6, 3609944), (8, 2707458), (12, 1804972), (13, 1666128), (16, 1353729), (24, 902486), (26, 833064), (39, 555376), (48, 451243), (52, 416532), (78, 277688), (103, 210288), (104, 208266), (156, 138844), (206, 105144), (208, 104133), (309, 70096), (312, 69422), (337, 64272), (412, 52572), (618, 35048), (624, 34711), (674, 32136), (824, 26286), (1011, 21424), (1236, 17524), (1339, 16176), (1348, 16068), (1648, 13143), (2022, 10712), (2472, 8762), (2678, 8088), (2696, 8034), (4017, 5392), (4044, 5356), (4381, 4944)]