21752664

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{251}}^1$

素因数の和:440

約数の個数: 64

約数和(自身を含む): 57335040

約数和(自身を除く): 35582376

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 46, 69, 92, 138, 157, 184, 251, 276, 314, 471, 502, 552, 628, 753, 942, 1004, 1256, 1506, 1884, 2008, 3012, 3611, 3768, 5773, 6024, 7222, 10833, 11546, 14444, 17319, 21666, 23092, 28888, 34638, 39407, 43332, 46184, 69276, 78814, 86664, 118221, 138552, 157628, 236442, 315256, 472884, 906361, 945768, 1812722, 2719083, 3625444, 5438166, 7250888, 10876332, 21752664]

約数ペア:

[(1, 21752664), (2, 10876332), (3, 7250888), (4, 5438166), (6, 3625444), (8, 2719083), (12, 1812722), (23, 945768), (24, 906361), (46, 472884), (69, 315256), (92, 236442), (138, 157628), (157, 138552), (184, 118221), (251, 86664), (276, 78814), (314, 69276), (471, 46184), (502, 43332), (552, 39407), (628, 34638), (753, 28888), (942, 23092), (1004, 21666), (1256, 17319), (1506, 14444), (1884, 11546), (2008, 10833), (3012, 7222), (3611, 6024), (3768, 5773)]