21997728

素因数分解:

$2^5\times 3^2\times {\mathrm{17}}^1\times {\mathrm{4493}}^1$

素因数の和:4526

約数の個数: 72

約数和(自身を含む): 66250548

約数和(自身を除く): 44252820

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 32, 34, 36, 48, 51, 68, 72, 96, 102, 136, 144, 153, 204, 272, 288, 306, 408, 544, 612, 816, 1224, 1632, 2448, 4493, 4896, 8986, 13479, 17972, 26958, 35944, 40437, 53916, 71888, 76381, 80874, 107832, 143776, 152762, 161748, 215664, 229143, 305524, 323496, 431328, 458286, 611048, 646992, 687429, 916572, 1222096, 1293984, 1374858, 1833144, 2444192, 2749716, 3666288, 5499432, 7332576, 10998864, 21997728]

約数ペア:

[(1, 21997728), (2, 10998864), (3, 7332576), (4, 5499432), (6, 3666288), (8, 2749716), (9, 2444192), (12, 1833144), (16, 1374858), (17, 1293984), (18, 1222096), (24, 916572), (32, 687429), (34, 646992), (36, 611048), (48, 458286), (51, 431328), (68, 323496), (72, 305524), (96, 229143), (102, 215664), (136, 161748), (144, 152762), (153, 143776), (204, 107832), (272, 80874), (288, 76381), (306, 71888), (408, 53916), (544, 40437), (612, 35944), (816, 26958), (1224, 17972), (1632, 13479), (2448, 8986), (4493, 4896)]