21825162136

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{487}}^1\times {\mathrm{5563}}^1$

素因数の和:6128

約数の個数: 64

約数和(自身を含む): 43986758400

約数和(自身を除く): 22161596264

約数列:

[1, 2, 4, 8, 19, 38, 53, 76, 106, 152, 212, 424, 487, 974, 1007, 1948, 2014, 3896, 4028, 5563, 8056, 9253, 11126, 18506, 22252, 25811, 37012, 44504, 51622, 74024, 103244, 105697, 206488, 211394, 294839, 422788, 490409, 589678, 845576, 980818, 1179356, 1961636, 2358712, 2709181, 3923272, 5418362, 5601941, 10836724, 11203882, 21673448, 22407764, 44815528, 51474439, 102948878, 143586593, 205897756, 287173186, 411795512, 574346372, 1148692744, 2728145267, 5456290534, 10912581068, 21825162136]

約数ペア:

[(1, 21825162136), (2, 10912581068), (4, 5456290534), (8, 2728145267), (19, 1148692744), (38, 574346372), (53, 411795512), (76, 287173186), (106, 205897756), (152, 143586593), (212, 102948878), (424, 51474439), (487, 44815528), (974, 22407764), (1007, 21673448), (1948, 11203882), (2014, 10836724), (3896, 5601941), (4028, 5418362), (5563, 3923272), (8056, 2709181), (9253, 2358712), (11126, 1961636), (18506, 1179356), (22252, 980818), (25811, 845576), (37012, 589678), (44504, 490409), (51622, 422788), (74024, 294839), (103244, 211394), (105697, 206488)]