21707946

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{107}}^1$

素因数の和:165

約数の個数: 96

約数和(自身を含む): 55702080

約数和(自身を除く): 33994134

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 27, 34, 39, 51, 54, 78, 102, 107, 117, 153, 214, 221, 234, 289, 306, 321, 351, 442, 459, 578, 642, 663, 702, 867, 918, 963, 1326, 1391, 1734, 1819, 1926, 1989, 2601, 2782, 2889, 3638, 3757, 3978, 4173, 5202, 5457, 5778, 5967, 7514, 7803, 8346, 10914, 11271, 11934, 12519, 15606, 16371, 22542, 23647, 25038, 30923, 32742, 33813, 37557, 47294, 49113, 61846, 67626, 70941, 75114, 92769, 98226, 101439, 141882, 185538, 202878, 212823, 278307, 401999, 425646, 556614, 638469, 803998, 834921, 1205997, 1276938, 1669842, 2411994, 3617991, 7235982, 10853973, 21707946]

約数ペア:

[(1, 21707946), (2, 10853973), (3, 7235982), (6, 3617991), (9, 2411994), (13, 1669842), (17, 1276938), (18, 1205997), (26, 834921), (27, 803998), (34, 638469), (39, 556614), (51, 425646), (54, 401999), (78, 278307), (102, 212823), (107, 202878), (117, 185538), (153, 141882), (214, 101439), (221, 98226), (234, 92769), (289, 75114), (306, 70941), (321, 67626), (351, 61846), (442, 49113), (459, 47294), (578, 37557), (642, 33813), (663, 32742), (702, 30923), (867, 25038), (918, 23647), (963, 22542), (1326, 16371), (1391, 15606), (1734, 12519), (1819, 11934), (1926, 11271), (1989, 10914), (2601, 8346), (2782, 7803), (2889, 7514), (3638, 5967), (3757, 5778), (3978, 5457), (4173, 5202)]