21448284

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{431}}^1$

素因数の和:491

約数の個数: 96

約数和(自身を含む): 60963840

約数和(自身を除く): 39515556

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 26, 29, 33, 39, 44, 52, 58, 66, 78, 87, 116, 132, 143, 156, 174, 286, 319, 348, 377, 429, 431, 572, 638, 754, 858, 862, 957, 1131, 1276, 1293, 1508, 1716, 1724, 1914, 2262, 2586, 3828, 4147, 4524, 4741, 5172, 5603, 8294, 9482, 11206, 12441, 12499, 14223, 16588, 16809, 18964, 22412, 24882, 24998, 28446, 33618, 37497, 49764, 49996, 56892, 61633, 67236, 74994, 123266, 137489, 149988, 162487, 184899, 246532, 274978, 324974, 369798, 412467, 487461, 549956, 649948, 739596, 824934, 974922, 1649868, 1787357, 1949844, 3574714, 5362071, 7149428, 10724142, 21448284]

約数ペア:

[(1, 21448284), (2, 10724142), (3, 7149428), (4, 5362071), (6, 3574714), (11, 1949844), (12, 1787357), (13, 1649868), (22, 974922), (26, 824934), (29, 739596), (33, 649948), (39, 549956), (44, 487461), (52, 412467), (58, 369798), (66, 324974), (78, 274978), (87, 246532), (116, 184899), (132, 162487), (143, 149988), (156, 137489), (174, 123266), (286, 74994), (319, 67236), (348, 61633), (377, 56892), (429, 49996), (431, 49764), (572, 37497), (638, 33618), (754, 28446), (858, 24998), (862, 24882), (957, 22412), (1131, 18964), (1276, 16809), (1293, 16588), (1508, 14223), (1716, 12499), (1724, 12441), (1914, 11206), (2262, 9482), (2586, 8294), (3828, 5603), (4147, 5172), (4524, 4741)]