21667316

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{349}}^1$

素因数の和:464

約数の個数: 48

約数和(自身を含む): 44452800

約数和(自身を除く): 22785484

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 83, 166, 187, 332, 349, 374, 698, 748, 913, 1396, 1411, 1826, 2822, 3652, 3839, 5644, 5933, 7678, 11866, 15356, 15521, 23732, 28967, 31042, 57934, 62084, 65263, 115868, 130526, 261052, 318637, 492439, 637274, 984878, 1274548, 1969756, 5416829, 10833658, 21667316]

約数ペア:

[(1, 21667316), (2, 10833658), (4, 5416829), (11, 1969756), (17, 1274548), (22, 984878), (34, 637274), (44, 492439), (68, 318637), (83, 261052), (166, 130526), (187, 115868), (332, 65263), (349, 62084), (374, 57934), (698, 31042), (748, 28967), (913, 23732), (1396, 15521), (1411, 15356), (1826, 11866), (2822, 7678), (3652, 5933), (3839, 5644)]