21617022

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{263}}^1$

素因数の和:397

約数の個数: 64

約数和(自身を含む): 52715520

約数和(自身を除く): 31098498

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 103, 114, 133, 206, 263, 266, 309, 399, 526, 618, 721, 789, 798, 1442, 1578, 1841, 1957, 2163, 3682, 3914, 4326, 4997, 5523, 5871, 9994, 11046, 11742, 13699, 14991, 27089, 27398, 29982, 34979, 41097, 54178, 69958, 81267, 82194, 104937, 162534, 189623, 209874, 379246, 514691, 568869, 1029382, 1137738, 1544073, 3088146, 3602837, 7205674, 10808511, 21617022]

約数ペア:

[(1, 21617022), (2, 10808511), (3, 7205674), (6, 3602837), (7, 3088146), (14, 1544073), (19, 1137738), (21, 1029382), (38, 568869), (42, 514691), (57, 379246), (103, 209874), (114, 189623), (133, 162534), (206, 104937), (263, 82194), (266, 81267), (309, 69958), (399, 54178), (526, 41097), (618, 34979), (721, 29982), (789, 27398), (798, 27089), (1442, 14991), (1578, 13699), (1841, 11742), (1957, 11046), (2163, 9994), (3682, 5871), (3914, 5523), (4326, 4997)]