21498345

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{467}}^1$

素因数の和:523

約数の個数: 64

約数和(自身を含む): 43130880

約数和(自身を除く): 21632535

約数列:

[1, 3, 5, 9, 11, 15, 27, 31, 33, 45, 55, 93, 99, 135, 155, 165, 279, 297, 341, 465, 467, 495, 837, 1023, 1395, 1401, 1485, 1705, 2335, 3069, 4185, 4203, 5115, 5137, 7005, 9207, 12609, 14477, 15345, 15411, 21015, 25685, 43431, 46035, 46233, 63045, 72385, 77055, 130293, 138699, 159247, 217155, 231165, 390879, 477741, 651465, 693495, 796235, 1433223, 1954395, 2388705, 4299669, 7166115, 21498345]

約数ペア:

[(1, 21498345), (3, 7166115), (5, 4299669), (9, 2388705), (11, 1954395), (15, 1433223), (27, 796235), (31, 693495), (33, 651465), (45, 477741), (55, 390879), (93, 231165), (99, 217155), (135, 159247), (155, 138699), (165, 130293), (279, 77055), (297, 72385), (341, 63045), (465, 46233), (467, 46035), (495, 43431), (837, 25685), (1023, 21015), (1395, 15411), (1401, 15345), (1485, 14477), (1705, 12609), (2335, 9207), (3069, 7005), (4185, 5137), (4203, 5115)]