21337112

素因数分解:

$2^3\times {\mathrm{113}}^1\times {\mathrm{23603}}^1$

素因数の和:23722

約数の個数: 16

約数和(自身を含む): 40362840

約数和(自身を除く): 19025728

約数列:

[1, 2, 4, 8, 113, 226, 452, 904, 23603, 47206, 94412, 188824, 2667139, 5334278, 10668556, 21337112]

約数ペア:

[(1, 21337112), (2, 10668556), (4, 5334278), (8, 2667139), (113, 188824), (226, 94412), (452, 47206), (904, 23603)]