21341845

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{479}}^1$

素因数の和:577

約数の個数: 32

約数和(自身を含む): 31334400

約数和(自身を除く): 9992555

約数列:

[1, 5, 7, 19, 35, 67, 95, 133, 335, 469, 479, 665, 1273, 2345, 2395, 3353, 6365, 8911, 9101, 16765, 32093, 44555, 45505, 63707, 160465, 224651, 318535, 609767, 1123255, 3048835, 4268369, 21341845]

約数ペア:

[(1, 21341845), (5, 4268369), (7, 3048835), (19, 1123255), (35, 609767), (67, 318535), (95, 224651), (133, 160465), (335, 63707), (469, 45505), (479, 44555), (665, 32093), (1273, 16765), (2345, 9101), (2395, 8911), (3353, 6365)]