21438967

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{839}}^1$

素因数の和:974

約数の個数: 16

約数和(自身を含む): 24675840

約数和(自身を除く): 3236873

約数列:

[1, 11, 23, 101, 253, 839, 1111, 2323, 9229, 19297, 25553, 84739, 212267, 932129, 1948997, 21438967]

約数ペア:

[(1, 21438967), (11, 1948997), (23, 932129), (101, 212267), (253, 84739), (839, 25553), (1111, 19297), (2323, 9229)]