21716163

素因数分解:

$3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{2141}}^1$

素因数の和:2184

約数の個数: 36

約数和(自身を含む): 38093328

約数和(自身を除く): 16377165

約数列:

[1, 3, 7, 9, 21, 23, 49, 63, 69, 147, 161, 207, 441, 483, 1127, 1449, 2141, 3381, 6423, 10143, 14987, 19269, 44961, 49243, 104909, 134883, 147729, 314727, 344701, 443187, 944181, 1034103, 2412907, 3102309, 7238721, 21716163]

約数ペア:

[(1, 21716163), (3, 7238721), (7, 3102309), (9, 2412907), (21, 1034103), (23, 944181), (49, 443187), (63, 344701), (69, 314727), (147, 147729), (161, 134883), (207, 104909), (441, 49243), (483, 44961), (1127, 19269), (1449, 14987), (2141, 10143), (3381, 6423)]