21885795

素因数分解:

$3^5\times 5^1\times {\mathrm{18013}}^1$

素因数の和:18033

約数の個数: 24

約数和(自身を含む): 39342576

約数和(自身を除く): 17456781

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 18013, 54039, 90065, 162117, 270195, 486351, 810585, 1459053, 2431755, 4377159, 7295265, 21885795]

約数ペア:

[(1, 21885795), (3, 7295265), (5, 4377159), (9, 2431755), (15, 1459053), (27, 810585), (45, 486351), (81, 270195), (135, 162117), (243, 90065), (405, 54039), (1215, 18013)]