21088040985

素因数分解:

$3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{46867}}^1$

素因数の和:46996

約数の個数: 80

約数和(自身を含む): 41648029632

約数和(自身を除く): 20559988647

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 81, 99, 101, 135, 165, 297, 303, 405, 495, 505, 891, 909, 1111, 1485, 1515, 2727, 3333, 4455, 4545, 5555, 8181, 9999, 13635, 16665, 29997, 40905, 46867, 49995, 89991, 140601, 149985, 234335, 421803, 449955, 515537, 703005, 1265409, 1546611, 2109015, 2577685, 3796227, 4639833, 4733567, 6327045, 7733055, 13919499, 14200701, 18981135, 23199165, 23667835, 41758497, 42602103, 52069237, 69597495, 71003505, 127806309, 156207711, 208792485, 213010515, 260346185, 383418927, 468623133, 639031545, 781038555, 1405869399, 1917094635, 2343115665, 4217608197, 7029346995, 21088040985]

約数ペア:

[(1, 21088040985), (3, 7029346995), (5, 4217608197), (9, 2343115665), (11, 1917094635), (15, 1405869399), (27, 781038555), (33, 639031545), (45, 468623133), (55, 383418927), (81, 260346185), (99, 213010515), (101, 208792485), (135, 156207711), (165, 127806309), (297, 71003505), (303, 69597495), (405, 52069237), (495, 42602103), (505, 41758497), (891, 23667835), (909, 23199165), (1111, 18981135), (1485, 14200701), (1515, 13919499), (2727, 7733055), (3333, 6327045), (4455, 4733567), (4545, 4639833), (5555, 3796227), (8181, 2577685), (9999, 2109015), (13635, 1546611), (16665, 1265409), (29997, 703005), (40905, 515537), (46867, 449955), (49995, 421803), (89991, 234335), (140601, 149985)]