21522105

素因数分解:

$3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4831}}^1$

素因数の和:4859

約数の個数: 40

約数和(自身を含む): 42096384

約数和(自身を除く): 20574279

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 81, 99, 135, 165, 297, 405, 495, 891, 1485, 4455, 4831, 14493, 24155, 43479, 53141, 72465, 130437, 159423, 217395, 265705, 391311, 478269, 652185, 797115, 1434807, 1956555, 2391345, 4304421, 7174035, 21522105]

約数ペア:

[(1, 21522105), (3, 7174035), (5, 4304421), (9, 2391345), (11, 1956555), (15, 1434807), (27, 797115), (33, 652185), (45, 478269), (55, 391311), (81, 265705), (99, 217395), (135, 159423), (165, 130437), (297, 72465), (405, 53141), (495, 43479), (891, 24155), (1485, 14493), (4455, 4831)]