21780366

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{213533}}^1$

素因数の和:213555

約数の個数: 16

約数和(自身を含む): 46123344

約数和(自身を除く): 24342978

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 213533, 427066, 640599, 1281198, 3630061, 7260122, 10890183, 21780366]

約数ペア:

[(1, 21780366), (2, 10890183), (3, 7260122), (6, 3630061), (17, 1281198), (34, 640599), (51, 427066), (102, 213533)]