21418704

素因数分解:

$2^4\times 3^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{223}}^1$

素因数の和:289

約数の個数: 120

約数和(自身を含む): 64995840

約数和(自身を除く): 43577136

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 29, 36, 46, 48, 58, 69, 72, 87, 92, 116, 138, 144, 174, 184, 207, 223, 232, 261, 276, 348, 368, 414, 446, 464, 522, 552, 667, 669, 696, 828, 892, 1044, 1104, 1334, 1338, 1392, 1656, 1784, 2001, 2007, 2088, 2668, 2676, 3312, 3568, 4002, 4014, 4176, 5129, 5336, 5352, 6003, 6467, 8004, 8028, 10258, 10672, 10704, 12006, 12934, 15387, 16008, 16056, 19401, 20516, 24012, 25868, 30774, 32016, 32112, 38802, 41032, 46161, 48024, 51736, 58203, 61548, 77604, 82064, 92322, 96048, 103472, 116406, 123096, 148741, 155208, 184644, 232812, 246192, 297482, 310416, 369288, 446223, 465624, 594964, 738576, 892446, 931248, 1189928, 1338669, 1784892, 2379856, 2677338, 3569784, 5354676, 7139568, 10709352, 21418704]

約数ペア:

[(1, 21418704), (2, 10709352), (3, 7139568), (4, 5354676), (6, 3569784), (8, 2677338), (9, 2379856), (12, 1784892), (16, 1338669), (18, 1189928), (23, 931248), (24, 892446), (29, 738576), (36, 594964), (46, 465624), (48, 446223), (58, 369288), (69, 310416), (72, 297482), (87, 246192), (92, 232812), (116, 184644), (138, 155208), (144, 148741), (174, 123096), (184, 116406), (207, 103472), (223, 96048), (232, 92322), (261, 82064), (276, 77604), (348, 61548), (368, 58203), (414, 51736), (446, 48024), (464, 46161), (522, 41032), (552, 38802), (667, 32112), (669, 32016), (696, 30774), (828, 25868), (892, 24012), (1044, 20516), (1104, 19401), (1334, 16056), (1338, 16008), (1392, 15387), (1656, 12934), (1784, 12006), (2001, 10704), (2007, 10672), (2088, 10258), (2668, 8028), (2676, 8004), (3312, 6467), (3568, 6003), (4002, 5352), (4014, 5336), (4176, 5129)]