21049326

素因数分解:

$2^1\times 3^2\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{179}}^1$

素因数の和:373

約数の個数: 48

約数和(自身を含む): 47174400

約数和(自身を除く): 26125074

約数列:

[1, 2, 3, 6, 9, 18, 47, 94, 139, 141, 179, 278, 282, 358, 417, 423, 537, 834, 846, 1074, 1251, 1611, 2502, 3222, 6533, 8413, 13066, 16826, 19599, 24881, 25239, 39198, 49762, 50478, 58797, 74643, 75717, 117594, 149286, 151434, 223929, 447858, 1169407, 2338814, 3508221, 7016442, 10524663, 21049326]

約数ペア:

[(1, 21049326), (2, 10524663), (3, 7016442), (6, 3508221), (9, 2338814), (18, 1169407), (47, 447858), (94, 223929), (139, 151434), (141, 149286), (179, 117594), (278, 75717), (282, 74643), (358, 58797), (417, 50478), (423, 49762), (537, 39198), (834, 25239), (846, 24881), (1074, 19599), (1251, 16826), (1611, 13066), (2502, 8413), (3222, 6533)]