21702718

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1\times {\mathrm{769}}^1$

素因数の和:1011

約数の個数: 16

約数和(自身を含む): 33153120

約数和(自身を除く): 11450402

約数列:

[1, 2, 103, 137, 206, 274, 769, 1538, 14111, 28222, 79207, 105353, 158414, 210706, 10851359, 21702718]

約数ペア:

[(1, 21702718), (2, 10851359), (103, 210706), (137, 158414), (206, 105353), (274, 79207), (769, 28222), (1538, 14111)]