21631803

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{523}}^1\times {\mathrm{811}}^1$

素因数の和:1354

約数の個数: 16

約数和(自身を含む): 30635136

約数和(自身を除く): 9003333

約数列:

[1, 3, 17, 51, 523, 811, 1569, 2433, 8891, 13787, 26673, 41361, 424153, 1272459, 7210601, 21631803]

約数ペア:

[(1, 21631803), (3, 7210601), (17, 1272459), (51, 424153), (523, 41361), (811, 26673), (1569, 13787), (2433, 8891)]