21859272

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^2\times {\mathrm{29}}^2$

素因数の和:108

約数の個数: 108

約数和(自身を含む): 64710945

約数和(自身を除く): 42851673

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 29, 36, 38, 57, 58, 72, 76, 87, 114, 116, 152, 171, 174, 228, 232, 261, 342, 348, 361, 456, 522, 551, 684, 696, 722, 841, 1044, 1083, 1102, 1368, 1444, 1653, 1682, 2088, 2166, 2204, 2523, 2888, 3249, 3306, 3364, 4332, 4408, 4959, 5046, 6498, 6612, 6728, 7569, 8664, 9918, 10092, 10469, 12996, 13224, 15138, 15979, 19836, 20184, 20938, 25992, 30276, 31407, 31958, 39672, 41876, 47937, 60552, 62814, 63916, 83752, 94221, 95874, 125628, 127832, 143811, 188442, 191748, 251256, 287622, 303601, 376884, 383496, 575244, 607202, 753768, 910803, 1150488, 1214404, 1821606, 2428808, 2732409, 3643212, 5464818, 7286424, 10929636, 21859272]

約数ペア:

[(1, 21859272), (2, 10929636), (3, 7286424), (4, 5464818), (6, 3643212), (8, 2732409), (9, 2428808), (12, 1821606), (18, 1214404), (19, 1150488), (24, 910803), (29, 753768), (36, 607202), (38, 575244), (57, 383496), (58, 376884), (72, 303601), (76, 287622), (87, 251256), (114, 191748), (116, 188442), (152, 143811), (171, 127832), (174, 125628), (228, 95874), (232, 94221), (261, 83752), (342, 63916), (348, 62814), (361, 60552), (456, 47937), (522, 41876), (551, 39672), (684, 31958), (696, 31407), (722, 30276), (841, 25992), (1044, 20938), (1083, 20184), (1102, 19836), (1368, 15979), (1444, 15138), (1653, 13224), (1682, 12996), (2088, 10469), (2166, 10092), (2204, 9918), (2523, 8664), (2888, 7569), (3249, 6728), (3306, 6612), (3364, 6498), (4332, 5046), (4408, 4959)]