21188904

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{967}}^1$

素因数の和:1070

約数の個数: 64

約数和(自身を含む): 58544640

約数和(自身を除く): 37355736

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 83, 88, 132, 166, 249, 264, 332, 498, 664, 913, 967, 996, 1826, 1934, 1992, 2739, 2901, 3652, 3868, 5478, 5802, 7304, 7736, 10637, 10956, 11604, 21274, 21912, 23208, 31911, 42548, 63822, 80261, 85096, 127644, 160522, 240783, 255288, 321044, 481566, 642088, 882871, 963132, 1765742, 1926264, 2648613, 3531484, 5297226, 7062968, 10594452, 21188904]

約数ペア:

[(1, 21188904), (2, 10594452), (3, 7062968), (4, 5297226), (6, 3531484), (8, 2648613), (11, 1926264), (12, 1765742), (22, 963132), (24, 882871), (33, 642088), (44, 481566), (66, 321044), (83, 255288), (88, 240783), (132, 160522), (166, 127644), (249, 85096), (264, 80261), (332, 63822), (498, 42548), (664, 31911), (913, 23208), (967, 21912), (996, 21274), (1826, 11604), (1934, 10956), (1992, 10637), (2739, 7736), (2901, 7304), (3652, 5802), (3868, 5478)]