21360465

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1$

素因数の和:163

約数の個数: 96

約数和(自身を含む): 46126080

約数和(自身を除く): 24765615

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 35, 43, 45, 57, 63, 83, 95, 105, 129, 133, 171, 215, 249, 285, 301, 315, 387, 399, 415, 581, 645, 665, 747, 817, 855, 903, 1197, 1245, 1505, 1577, 1743, 1935, 1995, 2451, 2709, 2905, 3569, 3735, 4085, 4515, 4731, 5229, 5719, 5985, 7353, 7885, 8715, 10707, 11039, 12255, 13545, 14193, 17157, 17845, 23655, 24983, 26145, 28595, 32121, 33117, 36765, 51471, 53535, 55195, 67811, 70965, 74949, 85785, 99351, 124915, 160605, 165585, 203433, 224847, 257355, 339055, 374745, 474677, 496755, 610299, 1017165, 1124235, 1424031, 2373385, 3051495, 4272093, 7120155, 21360465]

約数ペア:

[(1, 21360465), (3, 7120155), (5, 4272093), (7, 3051495), (9, 2373385), (15, 1424031), (19, 1124235), (21, 1017165), (35, 610299), (43, 496755), (45, 474677), (57, 374745), (63, 339055), (83, 257355), (95, 224847), (105, 203433), (129, 165585), (133, 160605), (171, 124915), (215, 99351), (249, 85785), (285, 74949), (301, 70965), (315, 67811), (387, 55195), (399, 53535), (415, 51471), (581, 36765), (645, 33117), (665, 32121), (747, 28595), (817, 26145), (855, 24983), (903, 23655), (1197, 17845), (1245, 17157), (1505, 14193), (1577, 13545), (1743, 12255), (1935, 11039), (1995, 10707), (2451, 8715), (2709, 7885), (2905, 7353), (3569, 5985), (3735, 5719), (4085, 5229), (4515, 4731)]