21560715

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{14519}}^1$

素因数の和:14544

約数の個数: 32

約数和(自身を含む): 41817600

約数和(自身を除く): 20256885

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 99, 135, 165, 297, 495, 1485, 14519, 43557, 72595, 130671, 159709, 217785, 392013, 479127, 653355, 798545, 1437381, 1960065, 2395635, 4312143, 7186905, 21560715]

約数ペア:

[(1, 21560715), (3, 7186905), (5, 4312143), (9, 2395635), (11, 1960065), (15, 1437381), (27, 798545), (33, 653355), (45, 479127), (55, 392013), (99, 217785), (135, 159709), (165, 130671), (297, 72595), (495, 43557), (1485, 14519)]