21142836

素因数分解:

$2^2\times 3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^2$

素因数の和:111

約数の個数: 144

約数和(自身を含む): 66185280

約数和(自身を除く): 45042444

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 13, 18, 22, 26, 27, 33, 36, 37, 39, 44, 52, 54, 66, 74, 78, 99, 108, 111, 117, 132, 143, 148, 156, 198, 222, 234, 286, 297, 333, 351, 396, 407, 429, 444, 468, 481, 572, 594, 666, 702, 814, 858, 962, 999, 1188, 1221, 1287, 1332, 1369, 1404, 1443, 1628, 1716, 1924, 1998, 2442, 2574, 2738, 2886, 3663, 3861, 3996, 4107, 4329, 4884, 5148, 5291, 5476, 5772, 7326, 7722, 8214, 8658, 10582, 10989, 12321, 12987, 14652, 15059, 15444, 15873, 16428, 17316, 17797, 21164, 21978, 24642, 25974, 30118, 31746, 35594, 36963, 43956, 45177, 47619, 49284, 51948, 53391, 60236, 63492, 71188, 73926, 90354, 95238, 106782, 135531, 142857, 147852, 160173, 180708, 190476, 195767, 213564, 271062, 285714, 320346, 391534, 406593, 480519, 542124, 571428, 587301, 640692, 783068, 813186, 961038, 1174602, 1626372, 1761903, 1922076, 2349204, 3523806, 5285709, 7047612, 10571418, 21142836]

約数ペア:

[(1, 21142836), (2, 10571418), (3, 7047612), (4, 5285709), (6, 3523806), (9, 2349204), (11, 1922076), (12, 1761903), (13, 1626372), (18, 1174602), (22, 961038), (26, 813186), (27, 783068), (33, 640692), (36, 587301), (37, 571428), (39, 542124), (44, 480519), (52, 406593), (54, 391534), (66, 320346), (74, 285714), (78, 271062), (99, 213564), (108, 195767), (111, 190476), (117, 180708), (132, 160173), (143, 147852), (148, 142857), (156, 135531), (198, 106782), (222, 95238), (234, 90354), (286, 73926), (297, 71188), (333, 63492), (351, 60236), (396, 53391), (407, 51948), (429, 49284), (444, 47619), (468, 45177), (481, 43956), (572, 36963), (594, 35594), (666, 31746), (702, 30118), (814, 25974), (858, 24642), (962, 21978), (999, 21164), (1188, 17797), (1221, 17316), (1287, 16428), (1332, 15873), (1369, 15444), (1404, 15059), (1443, 14652), (1628, 12987), (1716, 12321), (1924, 10989), (1998, 10582), (2442, 8658), (2574, 8214), (2738, 7722), (2886, 7326), (3663, 5772), (3861, 5476), (3996, 5291), (4107, 5148), (4329, 4884)]