21347784

素因数分解:

$2^3\times 3^2\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{163}}^1$

素因数の和:299

約数の個数: 96

約数和(自身を含む): 62169120

約数和(自身を除く): 40821336

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 34, 36, 51, 68, 72, 102, 107, 136, 153, 163, 204, 214, 306, 321, 326, 408, 428, 489, 612, 642, 652, 856, 963, 978, 1224, 1284, 1304, 1467, 1819, 1926, 1956, 2568, 2771, 2934, 3638, 3852, 3912, 5457, 5542, 5868, 7276, 7704, 8313, 10914, 11084, 11736, 14552, 16371, 16626, 17441, 21828, 22168, 24939, 32742, 33252, 34882, 43656, 49878, 52323, 65484, 66504, 69764, 99756, 104646, 130968, 139528, 156969, 199512, 209292, 296497, 313938, 418584, 592994, 627876, 889491, 1185988, 1255752, 1778982, 2371976, 2668473, 3557964, 5336946, 7115928, 10673892, 21347784]

約数ペア:

[(1, 21347784), (2, 10673892), (3, 7115928), (4, 5336946), (6, 3557964), (8, 2668473), (9, 2371976), (12, 1778982), (17, 1255752), (18, 1185988), (24, 889491), (34, 627876), (36, 592994), (51, 418584), (68, 313938), (72, 296497), (102, 209292), (107, 199512), (136, 156969), (153, 139528), (163, 130968), (204, 104646), (214, 99756), (306, 69764), (321, 66504), (326, 65484), (408, 52323), (428, 49878), (489, 43656), (612, 34882), (642, 33252), (652, 32742), (856, 24939), (963, 22168), (978, 21828), (1224, 17441), (1284, 16626), (1304, 16371), (1467, 14552), (1819, 11736), (1926, 11084), (1956, 10914), (2568, 8313), (2771, 7704), (2934, 7276), (3638, 5868), (3852, 5542), (3912, 5457)]