21531312

素因数分解:

$2^4\times 3^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1$

素因数の和:248

約数の個数: 160

約数和(自身を含む): 70709760

約数和(自身を除く): 49178448

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 23, 24, 27, 33, 36, 44, 46, 48, 54, 66, 69, 72, 88, 92, 99, 108, 132, 138, 144, 176, 184, 197, 198, 207, 216, 253, 264, 276, 297, 368, 394, 396, 414, 432, 506, 528, 552, 591, 594, 621, 759, 788, 792, 828, 1012, 1104, 1182, 1188, 1242, 1518, 1576, 1584, 1656, 1773, 2024, 2167, 2277, 2364, 2376, 2484, 3036, 3152, 3312, 3546, 4048, 4334, 4531, 4554, 4728, 4752, 4968, 5319, 6072, 6501, 6831, 7092, 8668, 9062, 9108, 9456, 9936, 10638, 12144, 13002, 13593, 13662, 14184, 17336, 18124, 18216, 19503, 21276, 26004, 27186, 27324, 28368, 34672, 36248, 36432, 39006, 40779, 42552, 49841, 52008, 54372, 54648, 58509, 72496, 78012, 81558, 85104, 99682, 104016, 108744, 109296, 117018, 122337, 149523, 156024, 163116, 199364, 217488, 234036, 244674, 299046, 312048, 326232, 398728, 448569, 468072, 489348, 598092, 652464, 797456, 897138, 936144, 978696, 1196184, 1345707, 1794276, 1957392, 2392368, 2691414, 3588552, 5382828, 7177104, 10765656, 21531312]

約数ペア:

[(1, 21531312), (2, 10765656), (3, 7177104), (4, 5382828), (6, 3588552), (8, 2691414), (9, 2392368), (11, 1957392), (12, 1794276), (16, 1345707), (18, 1196184), (22, 978696), (23, 936144), (24, 897138), (27, 797456), (33, 652464), (36, 598092), (44, 489348), (46, 468072), (48, 448569), (54, 398728), (66, 326232), (69, 312048), (72, 299046), (88, 244674), (92, 234036), (99, 217488), (108, 199364), (132, 163116), (138, 156024), (144, 149523), (176, 122337), (184, 117018), (197, 109296), (198, 108744), (207, 104016), (216, 99682), (253, 85104), (264, 81558), (276, 78012), (297, 72496), (368, 58509), (394, 54648), (396, 54372), (414, 52008), (432, 49841), (506, 42552), (528, 40779), (552, 39006), (591, 36432), (594, 36248), (621, 34672), (759, 28368), (788, 27324), (792, 27186), (828, 26004), (1012, 21276), (1104, 19503), (1182, 18216), (1188, 18124), (1242, 17336), (1518, 14184), (1576, 13662), (1584, 13593), (1656, 13002), (1773, 12144), (2024, 10638), (2167, 9936), (2277, 9456), (2364, 9108), (2376, 9062), (2484, 8668), (3036, 7092), (3152, 6831), (3312, 6501), (3546, 6072), (4048, 5319), (4334, 4968), (4531, 4752), (4554, 4728)]