21096495

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{66973}}^1$

素因数の和:66991

約数の個数: 24

約数和(自身を含む): 41791776

約数和(自身を除く): 20695281

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 66973, 200919, 334865, 468811, 602757, 1004595, 1406433, 2344055, 3013785, 4219299, 7032165, 21096495]

約数ペア:

[(1, 21096495), (3, 7032165), (5, 4219299), (7, 3013785), (9, 2344055), (15, 1406433), (21, 1004595), (35, 602757), (45, 468811), (63, 334865), (105, 200919), (315, 66973)]