21372858

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{613}}^1$

素因数の和:783

約数の個数: 48

約数和(自身を含む): 50286600

約数和(自身を除く): 28913742

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 149, 234, 298, 447, 613, 894, 1226, 1341, 1839, 1937, 2682, 3678, 3874, 5517, 5811, 7969, 11034, 11622, 15938, 17433, 23907, 34866, 47814, 71721, 91337, 143442, 182674, 274011, 548022, 822033, 1187381, 1644066, 2374762, 3562143, 7124286, 10686429, 21372858]

約数ペア:

[(1, 21372858), (2, 10686429), (3, 7124286), (6, 3562143), (9, 2374762), (13, 1644066), (18, 1187381), (26, 822033), (39, 548022), (78, 274011), (117, 182674), (149, 143442), (234, 91337), (298, 71721), (447, 47814), (613, 34866), (894, 23907), (1226, 17433), (1341, 15938), (1839, 11622), (1937, 11034), (2682, 7969), (3678, 5811), (3874, 5517)]