21066876

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1187}}^1$

素因数の和:1243

約数の個数: 72

約数和(自身を含む): 58378320

約数和(自身を除く): 37311444

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 29, 34, 36, 51, 58, 68, 87, 102, 116, 153, 174, 204, 261, 306, 348, 493, 522, 612, 986, 1044, 1187, 1479, 1972, 2374, 2958, 3561, 4437, 4748, 5916, 7122, 8874, 10683, 14244, 17748, 20179, 21366, 34423, 40358, 42732, 60537, 68846, 80716, 103269, 121074, 137692, 181611, 206538, 242148, 309807, 363222, 413076, 585191, 619614, 726444, 1170382, 1239228, 1755573, 2340764, 3511146, 5266719, 7022292, 10533438, 21066876]

約数ペア:

[(1, 21066876), (2, 10533438), (3, 7022292), (4, 5266719), (6, 3511146), (9, 2340764), (12, 1755573), (17, 1239228), (18, 1170382), (29, 726444), (34, 619614), (36, 585191), (51, 413076), (58, 363222), (68, 309807), (87, 242148), (102, 206538), (116, 181611), (153, 137692), (174, 121074), (204, 103269), (261, 80716), (306, 68846), (348, 60537), (493, 42732), (522, 40358), (612, 34423), (986, 21366), (1044, 20179), (1187, 17748), (1479, 14244), (1972, 10683), (2374, 8874), (2958, 7122), (3561, 5916), (4437, 4748)]