21611844

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{163}}^1$

素因数の和:329

約数の個数: 72

約数和(自身を含む): 57308160

約数和(自身を除く): 35696316

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 127, 163, 174, 254, 261, 326, 348, 381, 489, 508, 522, 652, 762, 978, 1044, 1143, 1467, 1524, 1956, 2286, 2934, 3683, 4572, 4727, 5868, 7366, 9454, 11049, 14181, 14732, 18908, 20701, 22098, 28362, 33147, 41402, 42543, 44196, 56724, 62103, 66294, 82804, 85086, 124206, 132588, 170172, 186309, 248412, 372618, 600329, 745236, 1200658, 1800987, 2401316, 3601974, 5402961, 7203948, 10805922, 21611844]

約数ペア:

[(1, 21611844), (2, 10805922), (3, 7203948), (4, 5402961), (6, 3601974), (9, 2401316), (12, 1800987), (18, 1200658), (29, 745236), (36, 600329), (58, 372618), (87, 248412), (116, 186309), (127, 170172), (163, 132588), (174, 124206), (254, 85086), (261, 82804), (326, 66294), (348, 62103), (381, 56724), (489, 44196), (508, 42543), (522, 41402), (652, 33147), (762, 28362), (978, 22098), (1044, 20701), (1143, 18908), (1467, 14732), (1524, 14181), (1956, 11049), (2286, 9454), (2934, 7366), (3683, 5868), (4572, 4727)]