2021023455

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{419}}^1$

素因数の和:533

約数の個数: 128

約数和(自身を含む): 3901685760

約数和(自身を除く): 1880662305

約数列:

[1, 3, 5, 11, 15, 23, 31, 33, 41, 55, 69, 93, 115, 123, 155, 165, 205, 253, 341, 345, 419, 451, 465, 615, 713, 759, 943, 1023, 1257, 1265, 1271, 1353, 1705, 2095, 2139, 2255, 2829, 3565, 3795, 3813, 4609, 4715, 5115, 6285, 6355, 6765, 7843, 9637, 10373, 10695, 12989, 13827, 13981, 14145, 17179, 19065, 23045, 23529, 28911, 29233, 31119, 38967, 39215, 41943, 48185, 51537, 51865, 64945, 69135, 69905, 85895, 87699, 106007, 117645, 142879, 144555, 146165, 155595, 188969, 194835, 209715, 257685, 298747, 318021, 321563, 395117, 428637, 438495, 530035, 532549, 566907, 714395, 896241, 944845, 964689, 1185351, 1493735, 1590105, 1597647, 1607815, 1975585, 2143185, 2662745, 2834535, 3286217, 4346287, 4481205, 4823445, 5858039, 5926755, 7988235, 9858651, 12248627, 13038861, 16431085, 17574117, 21731435, 29290195, 36745881, 49293255, 61243135, 65194305, 87870585, 134734897, 183729405, 404204691, 673674485, 2021023455]

約数ペア:

[(1, 2021023455), (3, 673674485), (5, 404204691), (11, 183729405), (15, 134734897), (23, 87870585), (31, 65194305), (33, 61243135), (41, 49293255), (55, 36745881), (69, 29290195), (93, 21731435), (115, 17574117), (123, 16431085), (155, 13038861), (165, 12248627), (205, 9858651), (253, 7988235), (341, 5926755), (345, 5858039), (419, 4823445), (451, 4481205), (465, 4346287), (615, 3286217), (713, 2834535), (759, 2662745), (943, 2143185), (1023, 1975585), (1257, 1607815), (1265, 1597647), (1271, 1590105), (1353, 1493735), (1705, 1185351), (2095, 964689), (2139, 944845), (2255, 896241), (2829, 714395), (3565, 566907), (3795, 532549), (3813, 530035), (4609, 438495), (4715, 428637), (5115, 395117), (6285, 321563), (6355, 318021), (6765, 298747), (7843, 257685), (9637, 209715), (10373, 194835), (10695, 188969), (12989, 155595), (13827, 146165), (13981, 144555), (14145, 142879), (17179, 117645), (19065, 106007), (23045, 87699), (23529, 85895), (28911, 69905), (29233, 69135), (31119, 64945), (38967, 51865), (39215, 51537), (41943, 48185)]