21048045

素因数分解:

$3^1\times 5^1\times {\mathrm{173}}^1\times {\mathrm{8111}}^1$

素因数の和:8292

約数の個数: 16

約数和(自身を含む): 33875712

約数和(自身を除く): 12827667

約数列:

[1, 3, 5, 15, 173, 519, 865, 2595, 8111, 24333, 40555, 121665, 1403203, 4209609, 7016015, 21048045]

約数ペア:

[(1, 21048045), (3, 7016015), (5, 4209609), (15, 1403203), (173, 121665), (519, 40555), (865, 24333), (2595, 8111)]