2021921499

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{2543}}^1$

素因数の和:2644

約数の個数: 64

約数和(自身を含む): 3248179200

約数和(自身を除く): 1226257701

約数列:

[1, 3, 13, 19, 29, 37, 39, 57, 87, 111, 247, 377, 481, 551, 703, 741, 1073, 1131, 1443, 1653, 2109, 2543, 3219, 7163, 7629, 9139, 13949, 20387, 21489, 27417, 33059, 41847, 48317, 61161, 73747, 94091, 99177, 144951, 221241, 265031, 282273, 628121, 795093, 958711, 1223183, 1401193, 1787729, 1884363, 2728639, 2876133, 3669549, 4203579, 5363187, 8185917, 18215509, 23240477, 35472307, 51844141, 54646527, 69721431, 106416921, 155532423, 673973833, 2021921499]

約数ペア:

[(1, 2021921499), (3, 673973833), (13, 155532423), (19, 106416921), (29, 69721431), (37, 54646527), (39, 51844141), (57, 35472307), (87, 23240477), (111, 18215509), (247, 8185917), (377, 5363187), (481, 4203579), (551, 3669549), (703, 2876133), (741, 2728639), (1073, 1884363), (1131, 1787729), (1443, 1401193), (1653, 1223183), (2109, 958711), (2543, 795093), (3219, 628121), (7163, 282273), (7629, 265031), (9139, 221241), (13949, 144951), (20387, 99177), (21489, 94091), (27417, 73747), (33059, 61161), (41847, 48317)]