21222982

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{8537}}^1$

素因数の和:8663

約数の個数: 16

約数和(自身を含む): 35039952

約数和(自身を除く): 13816970

約数列:

[1, 2, 11, 22, 113, 226, 1243, 2486, 8537, 17074, 93907, 187814, 964681, 1929362, 10611491, 21222982]

約数ペア:

[(1, 21222982), (2, 10611491), (11, 1929362), (22, 964681), (113, 187814), (226, 93907), (1243, 17074), (2486, 8537)]