21111222

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{3167}}^1$

素因数の和:3284

約数の個数: 32

約数和(自身を含む): 46531584

約数和(自身を除く): 25420362

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 101, 202, 303, 606, 1111, 2222, 3167, 3333, 6334, 6666, 9501, 19002, 34837, 69674, 104511, 209022, 319867, 639734, 959601, 1919202, 3518537, 7037074, 10555611, 21111222]

約数ペア:

[(1, 21111222), (2, 10555611), (3, 7037074), (6, 3518537), (11, 1919202), (22, 959601), (33, 639734), (66, 319867), (101, 209022), (202, 104511), (303, 69674), (606, 34837), (1111, 19002), (2222, 9501), (3167, 6666), (3333, 6334)]