2181538941

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{353}}^1\times {\mathrm{108421}}^1$

素因数の和:108796

約数の個数: 16

約数和(自身を含む): 3070511040

約数和(自身を除く): 888972099

約数列:

[1, 3, 19, 57, 353, 1059, 6707, 20121, 108421, 325263, 2059999, 6179997, 38272613, 114817839, 727179647, 2181538941]

約数ペア:

[(1, 2181538941), (3, 727179647), (19, 114817839), (57, 38272613), (353, 6179997), (1059, 2059999), (6707, 325263), (20121, 108421)]