20211059169

素因数分解:

$3^6\times 7^1\times {\mathrm{23}}^2\times {\mathrm{7487}}^1$

素因数の和:7558

約数の個数: 84

約数和(自身を含む): 36207714816

約数和(自身を除く): 15996655647

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 81, 161, 189, 207, 243, 483, 529, 567, 621, 729, 1449, 1587, 1701, 1863, 3703, 4347, 4761, 5103, 5589, 7487, 11109, 13041, 14283, 16767, 22461, 33327, 39123, 42849, 52409, 67383, 99981, 117369, 128547, 157227, 172201, 202149, 299943, 385641, 471681, 516603, 606447, 899829, 1205407, 1415043, 1549809, 1819341, 2699487, 3616221, 3960623, 4245129, 4649427, 5458023, 10848663, 11881869, 12735387, 13948281, 27724361, 32545989, 35645607, 38206161, 41844843, 83173083, 97637967, 106936821, 125534529, 249519249, 292913901, 320810463, 748557747, 878741703, 962431389, 2245673241, 2887294167, 6737019723, 20211059169]

約数ペア:

[(1, 20211059169), (3, 6737019723), (7, 2887294167), (9, 2245673241), (21, 962431389), (23, 878741703), (27, 748557747), (63, 320810463), (69, 292913901), (81, 249519249), (161, 125534529), (189, 106936821), (207, 97637967), (243, 83173083), (483, 41844843), (529, 38206161), (567, 35645607), (621, 32545989), (729, 27724361), (1449, 13948281), (1587, 12735387), (1701, 11881869), (1863, 10848663), (3703, 5458023), (4347, 4649427), (4761, 4245129), (5103, 3960623), (5589, 3616221), (7487, 2699487), (11109, 1819341), (13041, 1549809), (14283, 1415043), (16767, 1205407), (22461, 899829), (33327, 606447), (39123, 516603), (42849, 471681), (52409, 385641), (67383, 299943), (99981, 202149), (117369, 172201), (128547, 157227)]