21085915691277

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{15313}}^1\times {\mathrm{18427}}^1$

素因数の和:33807

約数の個数: 72

約数和(自身を含む): 33546438229824

約数和(自身を除く): 12460522538547

約数列:

[1, 3, 9, 19, 23, 57, 69, 171, 207, 361, 437, 1083, 1311, 3249, 3933, 8303, 15313, 18427, 24909, 45939, 55281, 74727, 137817, 165843, 290947, 350113, 352199, 423821, 872841, 1050339, 1056597, 1271463, 2618523, 3151017, 3169791, 3814389, 5527993, 6652147, 6691781, 8052599, 16583979, 19956441, 20075343, 24157797, 49751937, 59869323, 60226029, 72473391, 127143839, 152999381, 282172651, 381431517, 458998143, 846517953, 1144294551, 1376994429, 2539553859, 5361280369, 6489970973, 16083841107, 19469912919, 48251523321, 58409738757, 101864327011, 123309448487, 305592981033, 369928345461, 916778943099, 1109785036383, 2342879521253, 7028638563759, 21085915691277]

約数ペア:

[(1, 21085915691277), (3, 7028638563759), (9, 2342879521253), (19, 1109785036383), (23, 916778943099), (57, 369928345461), (69, 305592981033), (171, 123309448487), (207, 101864327011), (361, 58409738757), (437, 48251523321), (1083, 19469912919), (1311, 16083841107), (3249, 6489970973), (3933, 5361280369), (8303, 2539553859), (15313, 1376994429), (18427, 1144294551), (24909, 846517953), (45939, 458998143), (55281, 381431517), (74727, 282172651), (137817, 152999381), (165843, 127143839), (290947, 72473391), (350113, 60226029), (352199, 59869323), (423821, 49751937), (872841, 24157797), (1050339, 20075343), (1056597, 19956441), (1271463, 16583979), (2618523, 8052599), (3151017, 6691781), (3169791, 6652147), (3814389, 5527993)]