21743553

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{1553}}^1$

素因数の和:1928

約数の個数: 16

約数和(自身を含む): 31328640

約数和(自身を除く): 9585087

約数列:

[1, 3, 13, 39, 359, 1077, 1553, 4659, 4667, 14001, 20189, 60567, 557527, 1672581, 7247851, 21743553]

約数ペア:

[(1, 21743553), (3, 7247851), (13, 1672581), (39, 557527), (359, 60567), (1077, 20189), (1553, 14001), (4659, 4667)]