21574469

素因数分解:

$7^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1\times {\mathrm{293}}^1$

素因数の和:524

約数の個数: 16

約数和(自身を含む): 25269888

約数和(自身を除く): 3695419

約数列:

[1, 7, 67, 157, 293, 469, 1099, 2051, 10519, 19631, 46001, 73633, 137417, 322007, 3082067, 21574469]

約数ペア:

[(1, 21574469), (7, 3082067), (67, 322007), (157, 137417), (293, 73633), (469, 46001), (1099, 19631), (2051, 10519)]