21353496

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{263}}^1$

素因数の和:488

約数の個数: 64

約数和(自身を含む): 57024000

約数和(自身を除く): 35670504

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 199, 204, 263, 398, 408, 526, 597, 789, 796, 1052, 1194, 1578, 1592, 2104, 2388, 3156, 3383, 4471, 4776, 6312, 6766, 8942, 10149, 13413, 13532, 17884, 20298, 26826, 27064, 35768, 40596, 52337, 53652, 81192, 104674, 107304, 157011, 209348, 314022, 418696, 628044, 889729, 1256088, 1779458, 2669187, 3558916, 5338374, 7117832, 10676748, 21353496]

約数ペア:

[(1, 21353496), (2, 10676748), (3, 7117832), (4, 5338374), (6, 3558916), (8, 2669187), (12, 1779458), (17, 1256088), (24, 889729), (34, 628044), (51, 418696), (68, 314022), (102, 209348), (136, 157011), (199, 107304), (204, 104674), (263, 81192), (398, 53652), (408, 52337), (526, 40596), (597, 35768), (789, 27064), (796, 26826), (1052, 20298), (1194, 17884), (1578, 13532), (1592, 13413), (2104, 10149), (2388, 8942), (3156, 6766), (3383, 6312), (4471, 4776)]