21560688

素因数分解:

$2^4\times 3^3\times {\mathrm{29}}^1\times {\mathrm{1721}}^1$

素因数の和:1767

約数の個数: 80

約数和(自身を含む): 64058400

約数和(自身を除く): 42497712

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 29, 36, 48, 54, 58, 72, 87, 108, 116, 144, 174, 216, 232, 261, 348, 432, 464, 522, 696, 783, 1044, 1392, 1566, 1721, 2088, 3132, 3442, 4176, 5163, 6264, 6884, 10326, 12528, 13768, 15489, 20652, 27536, 30978, 41304, 46467, 49909, 61956, 82608, 92934, 99818, 123912, 149727, 185868, 199636, 247824, 299454, 371736, 399272, 449181, 598908, 743472, 798544, 898362, 1197816, 1347543, 1796724, 2395632, 2695086, 3593448, 5390172, 7186896, 10780344, 21560688]

約数ペア:

[(1, 21560688), (2, 10780344), (3, 7186896), (4, 5390172), (6, 3593448), (8, 2695086), (9, 2395632), (12, 1796724), (16, 1347543), (18, 1197816), (24, 898362), (27, 798544), (29, 743472), (36, 598908), (48, 449181), (54, 399272), (58, 371736), (72, 299454), (87, 247824), (108, 199636), (116, 185868), (144, 149727), (174, 123912), (216, 99818), (232, 92934), (261, 82608), (348, 61956), (432, 49909), (464, 46467), (522, 41304), (696, 30978), (783, 27536), (1044, 20652), (1392, 15489), (1566, 13768), (1721, 12528), (2088, 10326), (3132, 6884), (3442, 6264), (4176, 5163)]