21396837495

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1\times {\mathrm{13669}}^1$

素因数の和:13920

約数の個数: 64

約数和(自身を含む): 38267251200

約数和(自身を除く): 16870413705

約数列:

[1, 3, 5, 11, 15, 33, 53, 55, 159, 165, 179, 265, 537, 583, 795, 895, 1749, 1969, 2685, 2915, 5907, 8745, 9487, 9845, 13669, 28461, 29535, 41007, 47435, 68345, 104357, 142305, 150359, 205035, 313071, 451077, 521785, 724457, 751795, 1565355, 2173371, 2255385, 2446751, 3622285, 7340253, 7969027, 10866855, 12233755, 23907081, 26914261, 36701265, 39845135, 80742783, 119535405, 129677803, 134571305, 389033409, 403713915, 648389015, 1426455833, 1945167045, 4279367499, 7132279165, 21396837495]

約数ペア:

[(1, 21396837495), (3, 7132279165), (5, 4279367499), (11, 1945167045), (15, 1426455833), (33, 648389015), (53, 403713915), (55, 389033409), (159, 134571305), (165, 129677803), (179, 119535405), (265, 80742783), (537, 39845135), (583, 36701265), (795, 26914261), (895, 23907081), (1749, 12233755), (1969, 10866855), (2685, 7969027), (2915, 7340253), (5907, 3622285), (8745, 2446751), (9487, 2255385), (9845, 2173371), (13669, 1565355), (28461, 751795), (29535, 724457), (41007, 521785), (47435, 451077), (68345, 313071), (104357, 205035), (142305, 150359)]