21547573749

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{6821011}}^1$

素因数の和:6821039

約数の個数: 24

約数和(自身を含む): 34759877152

約数和(自身を除く): 13212303403

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 1053, 3159, 6821011, 20463033, 61389099, 88673143, 184167297, 266019429, 552501891, 798058287, 1657505673, 2394174861, 7182524583, 21547573749]

約数ペア:

[(1, 21547573749), (3, 7182524583), (9, 2394174861), (13, 1657505673), (27, 798058287), (39, 552501891), (81, 266019429), (117, 184167297), (243, 88673143), (351, 61389099), (1053, 20463033), (3159, 6821011)]