21211704

素因数分解:

$2^3\times 3^2\times {\mathrm{23}}^1\times {\mathrm{12809}}^1$

素因数の和:12844

約数の個数: 48

約数和(自身を含む): 59950800

約数和(自身を除く): 38739096

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 36, 46, 69, 72, 92, 138, 184, 207, 276, 414, 552, 828, 1656, 12809, 25618, 38427, 51236, 76854, 102472, 115281, 153708, 230562, 294607, 307416, 461124, 589214, 883821, 922248, 1178428, 1767642, 2356856, 2651463, 3535284, 5302926, 7070568, 10605852, 21211704]

約数ペア:

[(1, 21211704), (2, 10605852), (3, 7070568), (4, 5302926), (6, 3535284), (8, 2651463), (9, 2356856), (12, 1767642), (18, 1178428), (23, 922248), (24, 883821), (36, 589214), (46, 461124), (69, 307416), (72, 294607), (92, 230562), (138, 153708), (184, 115281), (207, 102472), (276, 76854), (414, 51236), (552, 38427), (828, 25618), (1656, 12809)]