21123936

素因数分解:

$2^5\times 3^3\times {\mathrm{23}}^1\times {\mathrm{1063}}^1$

素因数の和:1105

約数の個数: 96

約数和(自身を含む): 64350720

約数和(自身を除く): 43226784

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 27, 32, 36, 46, 48, 54, 69, 72, 92, 96, 108, 138, 144, 184, 207, 216, 276, 288, 368, 414, 432, 552, 621, 736, 828, 864, 1063, 1104, 1242, 1656, 2126, 2208, 2484, 3189, 3312, 4252, 4968, 6378, 6624, 8504, 9567, 9936, 12756, 17008, 19134, 19872, 24449, 25512, 28701, 34016, 38268, 48898, 51024, 57402, 73347, 76536, 97796, 102048, 114804, 146694, 153072, 195592, 220041, 229608, 293388, 306144, 391184, 440082, 459216, 586776, 660123, 782368, 880164, 918432, 1173552, 1320246, 1760328, 2347104, 2640492, 3520656, 5280984, 7041312, 10561968, 21123936]

約数ペア:

[(1, 21123936), (2, 10561968), (3, 7041312), (4, 5280984), (6, 3520656), (8, 2640492), (9, 2347104), (12, 1760328), (16, 1320246), (18, 1173552), (23, 918432), (24, 880164), (27, 782368), (32, 660123), (36, 586776), (46, 459216), (48, 440082), (54, 391184), (69, 306144), (72, 293388), (92, 229608), (96, 220041), (108, 195592), (138, 153072), (144, 146694), (184, 114804), (207, 102048), (216, 97796), (276, 76536), (288, 73347), (368, 57402), (414, 51024), (432, 48898), (552, 38268), (621, 34016), (736, 28701), (828, 25512), (864, 24449), (1063, 19872), (1104, 19134), (1242, 17008), (1656, 12756), (2126, 9936), (2208, 9567), (2484, 8504), (3189, 6624), (3312, 6378), (4252, 4968)]