21599316

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1217}}^1$

素因数の和:1273

約数の個数: 72

約数和(自身を含む): 59852520

約数和(自身を除く): 38253204

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 29, 34, 36, 51, 58, 68, 87, 102, 116, 153, 174, 204, 261, 306, 348, 493, 522, 612, 986, 1044, 1217, 1479, 1972, 2434, 2958, 3651, 4437, 4868, 5916, 7302, 8874, 10953, 14604, 17748, 20689, 21906, 35293, 41378, 43812, 62067, 70586, 82756, 105879, 124134, 141172, 186201, 211758, 248268, 317637, 372402, 423516, 599981, 635274, 744804, 1199962, 1270548, 1799943, 2399924, 3599886, 5399829, 7199772, 10799658, 21599316]

約数ペア:

[(1, 21599316), (2, 10799658), (3, 7199772), (4, 5399829), (6, 3599886), (9, 2399924), (12, 1799943), (17, 1270548), (18, 1199962), (29, 744804), (34, 635274), (36, 599981), (51, 423516), (58, 372402), (68, 317637), (87, 248268), (102, 211758), (116, 186201), (153, 141172), (174, 124134), (204, 105879), (261, 82756), (306, 70586), (348, 62067), (493, 43812), (522, 41378), (612, 35293), (986, 21906), (1044, 20689), (1217, 17748), (1479, 14604), (1972, 10953), (2434, 8874), (2958, 7302), (3651, 5916), (4437, 4868)]