21499968

素因数分解:

$2^6\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{941}}^1$

素因数の和:980

約数の個数: 112

約数和(自身を含む): 68909184

約数和(自身を除く): 47409216

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 17, 21, 24, 28, 32, 34, 42, 48, 51, 56, 64, 68, 84, 96, 102, 112, 119, 136, 168, 192, 204, 224, 238, 272, 336, 357, 408, 448, 476, 544, 672, 714, 816, 941, 952, 1088, 1344, 1428, 1632, 1882, 1904, 2823, 2856, 3264, 3764, 3808, 5646, 5712, 6587, 7528, 7616, 11292, 11424, 13174, 15056, 15997, 19761, 22584, 22848, 26348, 30112, 31994, 39522, 45168, 47991, 52696, 60224, 63988, 79044, 90336, 95982, 105392, 111979, 127976, 158088, 180672, 191964, 210784, 223958, 255952, 316176, 335937, 383928, 421568, 447916, 511904, 632352, 671874, 767856, 895832, 1023808, 1264704, 1343748, 1535712, 1791664, 2687496, 3071424, 3583328, 5374992, 7166656, 10749984, 21499968]

約数ペア:

[(1, 21499968), (2, 10749984), (3, 7166656), (4, 5374992), (6, 3583328), (7, 3071424), (8, 2687496), (12, 1791664), (14, 1535712), (16, 1343748), (17, 1264704), (21, 1023808), (24, 895832), (28, 767856), (32, 671874), (34, 632352), (42, 511904), (48, 447916), (51, 421568), (56, 383928), (64, 335937), (68, 316176), (84, 255952), (96, 223958), (102, 210784), (112, 191964), (119, 180672), (136, 158088), (168, 127976), (192, 111979), (204, 105392), (224, 95982), (238, 90336), (272, 79044), (336, 63988), (357, 60224), (408, 52696), (448, 47991), (476, 45168), (544, 39522), (672, 31994), (714, 30112), (816, 26348), (941, 22848), (952, 22584), (1088, 19761), (1344, 15997), (1428, 15056), (1632, 13174), (1882, 11424), (1904, 11292), (2823, 7616), (2856, 7528), (3264, 6587), (3764, 5712), (3808, 5646)]