21361065

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{129461}}^1$

素因数の和:129480

約数の個数: 16

約数和(自身を含む): 37285056

約数和(自身を除く): 15923991

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 129461, 388383, 647305, 1424071, 1941915, 4272213, 7120355, 21361065]

約数ペア:

[(1, 21361065), (3, 7120355), (5, 4272213), (11, 1941915), (15, 1424071), (33, 647305), (55, 388383), (165, 129461)]