21496798947

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{569}}^1\times {\mathrm{20611}}^1$

素因数の和:21243

約数の個数: 32

約数和(自身を含む): 31580881920

約数和(自身を除く): 10084082973

約数列:

[1, 3, 13, 39, 47, 141, 569, 611, 1707, 1833, 7397, 20611, 22191, 26743, 61833, 80229, 267943, 347659, 803829, 968717, 1042977, 2906151, 11727659, 12593321, 35182977, 37779963, 152459567, 457378701, 551199973, 1653599919, 7165599649, 21496798947]

約数ペア:

[(1, 21496798947), (3, 7165599649), (13, 1653599919), (39, 551199973), (47, 457378701), (141, 152459567), (569, 37779963), (611, 35182977), (1707, 12593321), (1833, 11727659), (7397, 2906151), (20611, 1042977), (22191, 968717), (26743, 803829), (61833, 347659), (80229, 267943)]