21348510903

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{3011}}^1$

素因数の和:3330

約数の個数: 80

約数和(自身を含む): 35687139840

約数和(自身を除く): 14338628937

約数列:

[1, 3, 9, 17, 19, 27, 51, 57, 81, 153, 171, 271, 323, 459, 513, 813, 969, 1377, 1539, 2439, 2907, 3011, 4607, 5149, 7317, 8721, 9033, 13821, 15447, 21951, 26163, 27099, 41463, 46341, 51187, 57209, 81297, 87533, 124389, 139023, 153561, 171627, 243891, 262599, 373167, 417069, 460683, 514881, 787797, 815981, 972553, 1382049, 1544643, 2363391, 2447943, 2917659, 4146147, 4633929, 7090173, 7343829, 8752977, 13871677, 15503639, 22031487, 26258931, 41615031, 46510917, 66094461, 78776793, 124845093, 139532751, 263561863, 374535279, 418598253, 790685589, 1123605837, 1255794759, 2372056767, 7116170301, 21348510903]

約数ペア:

[(1, 21348510903), (3, 7116170301), (9, 2372056767), (17, 1255794759), (19, 1123605837), (27, 790685589), (51, 418598253), (57, 374535279), (81, 263561863), (153, 139532751), (171, 124845093), (271, 78776793), (323, 66094461), (459, 46510917), (513, 41615031), (813, 26258931), (969, 22031487), (1377, 15503639), (1539, 13871677), (2439, 8752977), (2907, 7343829), (3011, 7090173), (4607, 4633929), (5149, 4146147), (7317, 2917659), (8721, 2447943), (9033, 2363391), (13821, 1544643), (15447, 1382049), (21951, 972553), (26163, 815981), (27099, 787797), (41463, 514881), (46341, 460683), (51187, 417069), (57209, 373167), (81297, 262599), (87533, 243891), (124389, 171627), (139023, 153561)]