21050172

素因数分解:

$2^2\times 3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1$

素因数の和:113

約数の個数: 192

約数和(自身を含む): 67737600

約数和(自身を除く): 46687428

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 13, 18, 22, 26, 27, 29, 33, 36, 39, 44, 47, 52, 54, 58, 66, 78, 87, 94, 99, 108, 116, 117, 132, 141, 143, 156, 174, 188, 198, 234, 261, 282, 286, 297, 319, 348, 351, 377, 396, 423, 429, 468, 517, 522, 564, 572, 594, 611, 638, 702, 754, 783, 846, 858, 957, 1034, 1044, 1131, 1188, 1222, 1269, 1276, 1287, 1363, 1404, 1508, 1551, 1566, 1692, 1716, 1833, 1914, 2068, 2262, 2444, 2538, 2574, 2726, 2871, 3102, 3132, 3393, 3666, 3828, 3861, 4089, 4147, 4524, 4653, 5076, 5148, 5452, 5499, 5742, 6204, 6721, 6786, 7332, 7722, 8178, 8294, 8613, 9306, 10179, 10998, 11484, 12267, 12441, 13442, 13572, 13959, 14993, 15444, 16356, 16497, 16588, 17226, 17719, 18612, 20163, 20358, 21996, 24534, 24882, 26884, 27918, 29986, 32994, 34452, 35438, 36801, 37323, 40326, 40716, 44979, 49068, 49764, 53157, 55836, 59972, 60489, 65988, 70876, 73602, 74646, 80652, 89958, 106314, 111969, 120978, 134937, 147204, 149292, 159471, 179916, 181467, 194909, 212628, 223938, 241956, 269874, 318942, 362934, 389818, 404811, 447876, 478413, 539748, 584727, 637884, 725868, 779636, 809622, 956826, 1169454, 1619244, 1754181, 1913652, 2338908, 3508362, 5262543, 7016724, 10525086, 21050172]

約数ペア:

[(1, 21050172), (2, 10525086), (3, 7016724), (4, 5262543), (6, 3508362), (9, 2338908), (11, 1913652), (12, 1754181), (13, 1619244), (18, 1169454), (22, 956826), (26, 809622), (27, 779636), (29, 725868), (33, 637884), (36, 584727), (39, 539748), (44, 478413), (47, 447876), (52, 404811), (54, 389818), (58, 362934), (66, 318942), (78, 269874), (87, 241956), (94, 223938), (99, 212628), (108, 194909), (116, 181467), (117, 179916), (132, 159471), (141, 149292), (143, 147204), (156, 134937), (174, 120978), (188, 111969), (198, 106314), (234, 89958), (261, 80652), (282, 74646), (286, 73602), (297, 70876), (319, 65988), (348, 60489), (351, 59972), (377, 55836), (396, 53157), (423, 49764), (429, 49068), (468, 44979), (517, 40716), (522, 40326), (564, 37323), (572, 36801), (594, 35438), (611, 34452), (638, 32994), (702, 29986), (754, 27918), (783, 26884), (846, 24882), (858, 24534), (957, 21996), (1034, 20358), (1044, 20163), (1131, 18612), (1188, 17719), (1222, 17226), (1269, 16588), (1276, 16497), (1287, 16356), (1363, 15444), (1404, 14993), (1508, 13959), (1551, 13572), (1566, 13442), (1692, 12441), (1716, 12267), (1833, 11484), (1914, 10998), (2068, 10179), (2262, 9306), (2444, 8613), (2538, 8294), (2574, 8178), (2726, 7722), (2871, 7332), (3102, 6786), (3132, 6721), (3393, 6204), (3666, 5742), (3828, 5499), (3861, 5452), (4089, 5148), (4147, 5076), (4524, 4653)]