21582286

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{883}}^1$

素因数の和:1008

約数の個数: 24

約数和(自身を含む): 35977032

約数和(自身を除く): 14394746

約数列:

[1, 2, 11, 22, 101, 121, 202, 242, 883, 1111, 1766, 2222, 9713, 12221, 19426, 24442, 89183, 106843, 178366, 213686, 981013, 1962026, 10791143, 21582286]

約数ペア:

[(1, 21582286), (2, 10791143), (11, 1962026), (22, 981013), (101, 213686), (121, 178366), (202, 106843), (242, 89183), (883, 24442), (1111, 19426), (1766, 12221), (2222, 9713)]