21711886

素因数分解:

$2^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{293}}^1$

素因数の和:448

約数の個数: 32

約数和(自身を含む): 38384640

約数和(自身を除く): 16672754

約数列:

[1, 2, 7, 14, 67, 79, 134, 158, 293, 469, 553, 586, 938, 1106, 2051, 4102, 5293, 10586, 19631, 23147, 37051, 39262, 46294, 74102, 137417, 162029, 274834, 324058, 1550849, 3101698, 10855943, 21711886]

約数ペア:

[(1, 21711886), (2, 10855943), (7, 3101698), (14, 1550849), (67, 324058), (79, 274834), (134, 162029), (158, 137417), (293, 74102), (469, 46294), (553, 39262), (586, 37051), (938, 23147), (1106, 19631), (2051, 10586), (4102, 5293)]