21234888

素因数分解:

$2^3\times 3^2\times {\mathrm{23}}^1\times {\mathrm{12823}}^1$

素因数の和:12858

約数の個数: 48

約数和(自身を含む): 60016320

約数和(自身を除く): 38781432

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, 12823, 25646, 38469, 51292, 76938, 102584, 115407, 153876, 230814, 294929, 307752, 461628, 589858, 884787, 923256, 1179716, 1769574, 2359432, 2654361, 3539148, 5308722, 7078296, 10617444, 21234888]

約数ペア:

[(1, 21234888), (2, 10617444), (3, 7078296), (4, 5308722), (6, 3539148), (8, 2654361), (9, 2359432), (12, 1769574), (18, 1179716), (23, 923256), (24, 884787), (36, 589858), (46, 461628), (69, 307752), (72, 294929), (92, 230814), (138, 153876), (184, 115407), (207, 102584), (276, 76938), (414, 51292), (552, 38469), (828, 25646), (1656, 12823)]