21068320

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1447}}^1$

素因数の和:1482

約数の個数: 96

約数和(自身を含む): 61302528

約数和(自身を除く): 40234208

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 160, 182, 208, 224, 260, 280, 364, 416, 455, 520, 560, 728, 910, 1040, 1120, 1447, 1456, 1820, 2080, 2894, 2912, 3640, 5788, 7235, 7280, 10129, 11576, 14470, 14560, 18811, 20258, 23152, 28940, 37622, 40516, 46304, 50645, 57880, 75244, 81032, 94055, 101290, 115760, 131677, 150488, 162064, 188110, 202580, 231520, 263354, 300976, 324128, 376220, 405160, 526708, 601952, 658385, 752440, 810320, 1053416, 1316770, 1504880, 1620640, 2106832, 2633540, 3009760, 4213664, 5267080, 10534160, 21068320]

約数ペア:

[(1, 21068320), (2, 10534160), (4, 5267080), (5, 4213664), (7, 3009760), (8, 2633540), (10, 2106832), (13, 1620640), (14, 1504880), (16, 1316770), (20, 1053416), (26, 810320), (28, 752440), (32, 658385), (35, 601952), (40, 526708), (52, 405160), (56, 376220), (65, 324128), (70, 300976), (80, 263354), (91, 231520), (104, 202580), (112, 188110), (130, 162064), (140, 150488), (160, 131677), (182, 115760), (208, 101290), (224, 94055), (260, 81032), (280, 75244), (364, 57880), (416, 50645), (455, 46304), (520, 40516), (560, 37622), (728, 28940), (910, 23152), (1040, 20258), (1120, 18811), (1447, 14560), (1456, 14470), (1820, 11576), (2080, 10129), (2894, 7280), (2912, 7235), (3640, 5788)]