21109248

素因数分解:

$2^9\times 3^4\times {\mathrm{509}}^1$

素因数の和:539

約数の個数: 100

約数和(自身を含む): 63129330

約数和(自身を除く): 42020082

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 128, 144, 162, 192, 216, 256, 288, 324, 384, 432, 509, 512, 576, 648, 768, 864, 1018, 1152, 1296, 1527, 1536, 1728, 2036, 2304, 2592, 3054, 3456, 4072, 4581, 4608, 5184, 6108, 6912, 8144, 9162, 10368, 12216, 13743, 13824, 16288, 18324, 20736, 24432, 27486, 32576, 36648, 41229, 41472, 48864, 54972, 65152, 73296, 82458, 97728, 109944, 130304, 146592, 164916, 195456, 219888, 260608, 293184, 329832, 390912, 439776, 586368, 659664, 781824, 879552, 1172736, 1319328, 1759104, 2345472, 2638656, 3518208, 5277312, 7036416, 10554624, 21109248]

約数ペア:

[(1, 21109248), (2, 10554624), (3, 7036416), (4, 5277312), (6, 3518208), (8, 2638656), (9, 2345472), (12, 1759104), (16, 1319328), (18, 1172736), (24, 879552), (27, 781824), (32, 659664), (36, 586368), (48, 439776), (54, 390912), (64, 329832), (72, 293184), (81, 260608), (96, 219888), (108, 195456), (128, 164916), (144, 146592), (162, 130304), (192, 109944), (216, 97728), (256, 82458), (288, 73296), (324, 65152), (384, 54972), (432, 48864), (509, 41472), (512, 41229), (576, 36648), (648, 32576), (768, 27486), (864, 24432), (1018, 20736), (1152, 18324), (1296, 16288), (1527, 13824), (1536, 13743), (1728, 12216), (2036, 10368), (2304, 9162), (2592, 8144), (3054, 6912), (3456, 6108), (4072, 5184), (4581, 4608)]