21508416

素因数分解:

$2^6\times 3^6\times {\mathrm{461}}^1$

素因数の和:491

約数の個数: 98

約数和(自身を含む): 64130682

約数和(自身を除く): 42622266

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 144, 162, 192, 216, 243, 288, 324, 432, 461, 486, 576, 648, 729, 864, 922, 972, 1296, 1383, 1458, 1728, 1844, 1944, 2592, 2766, 2916, 3688, 3888, 4149, 5184, 5532, 5832, 7376, 7776, 8298, 11064, 11664, 12447, 14752, 15552, 16596, 22128, 23328, 24894, 29504, 33192, 37341, 44256, 46656, 49788, 66384, 74682, 88512, 99576, 112023, 132768, 149364, 199152, 224046, 265536, 298728, 336069, 398304, 448092, 597456, 672138, 796608, 896184, 1194912, 1344276, 1792368, 2389824, 2688552, 3584736, 5377104, 7169472, 10754208, 21508416]

約数ペア:

[(1, 21508416), (2, 10754208), (3, 7169472), (4, 5377104), (6, 3584736), (8, 2688552), (9, 2389824), (12, 1792368), (16, 1344276), (18, 1194912), (24, 896184), (27, 796608), (32, 672138), (36, 597456), (48, 448092), (54, 398304), (64, 336069), (72, 298728), (81, 265536), (96, 224046), (108, 199152), (144, 149364), (162, 132768), (192, 112023), (216, 99576), (243, 88512), (288, 74682), (324, 66384), (432, 49788), (461, 46656), (486, 44256), (576, 37341), (648, 33192), (729, 29504), (864, 24894), (922, 23328), (972, 22128), (1296, 16596), (1383, 15552), (1458, 14752), (1728, 12447), (1844, 11664), (1944, 11064), (2592, 8298), (2766, 7776), (2916, 7376), (3688, 5832), (3888, 5532), (4149, 5184)]