20210958999

素因数分解:

$3^3\times 7^2\times {\mathrm{11}}^2\times {\mathrm{251}}^1\times {\mathrm{503}}^1$

素因数の和:799

約数の個数: 144

約数和(自身を含む): 38513905920

約数和(自身を除く): 18302946921

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 49, 63, 77, 99, 121, 147, 189, 231, 251, 297, 363, 441, 503, 539, 693, 753, 847, 1089, 1323, 1509, 1617, 1757, 2079, 2259, 2541, 2761, 3267, 3521, 4527, 4851, 5271, 5533, 5929, 6777, 7623, 8283, 10563, 12299, 13581, 14553, 15813, 16599, 17787, 19327, 22869, 24647, 24849, 30371, 31689, 36897, 38731, 47439, 49797, 53361, 57981, 60863, 73941, 74547, 91113, 95067, 110691, 116193, 126253, 135289, 149391, 160083, 173943, 182589, 212597, 221823, 271117, 273339, 332073, 348579, 378759, 405867, 426041, 521829, 547767, 637791, 665469, 813351, 820017, 883771, 1045737, 1136277, 1217601, 1278123, 1388783, 1488179, 1643301, 1913373, 2440053, 2651313, 2982287, 3408831, 3652803, 3834369, 4166349, 4464537, 5740119, 6186397, 7320159, 7953939, 8946861, 9721481, 11503107, 12499047, 13393611, 15276613, 18559191, 23861817, 26840583, 29164443, 37497141, 40180833, 45829839, 55677573, 68050367, 80521749, 87493329, 106936291, 137489517, 167032719, 204151101, 262479987, 320808873, 412468551, 612453303, 748554037, 962426619, 1837359909, 2245662111, 2887279857, 6736986333, 20210958999]

約数ペア:

[(1, 20210958999), (3, 6736986333), (7, 2887279857), (9, 2245662111), (11, 1837359909), (21, 962426619), (27, 748554037), (33, 612453303), (49, 412468551), (63, 320808873), (77, 262479987), (99, 204151101), (121, 167032719), (147, 137489517), (189, 106936291), (231, 87493329), (251, 80521749), (297, 68050367), (363, 55677573), (441, 45829839), (503, 40180833), (539, 37497141), (693, 29164443), (753, 26840583), (847, 23861817), (1089, 18559191), (1323, 15276613), (1509, 13393611), (1617, 12499047), (1757, 11503107), (2079, 9721481), (2259, 8946861), (2541, 7953939), (2761, 7320159), (3267, 6186397), (3521, 5740119), (4527, 4464537), (4851, 4166349), (5271, 3834369), (5533, 3652803), (5929, 3408831), (6777, 2982287), (7623, 2651313), (8283, 2440053), (10563, 1913373), (12299, 1643301), (13581, 1488179), (14553, 1388783), (15813, 1278123), (16599, 1217601), (17787, 1136277), (19327, 1045737), (22869, 883771), (24647, 820017), (24849, 813351), (30371, 665469), (31689, 637791), (36897, 547767), (38731, 521829), (47439, 426041), (49797, 405867), (53361, 378759), (57981, 348579), (60863, 332073), (73941, 273339), (74547, 271117), (91113, 221823), (95067, 212597), (110691, 182589), (116193, 173943), (126253, 160083), (135289, 149391)]