21152206

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{2389}}^1$

素因数の和:2643

約数の個数: 16

約数和(自身を含む): 33555600

約数和(自身を除く): 12403394

約数列:

[1, 2, 19, 38, 233, 466, 2389, 4427, 4778, 8854, 45391, 90782, 556637, 1113274, 10576103, 21152206]

約数ペア:

[(1, 21152206), (2, 10576103), (19, 1113274), (38, 556637), (233, 90782), (466, 45391), (2389, 8854), (4427, 4778)]