21999294

素因数分解:

$2^1\times 3^2\times {\mathrm{647}}^1\times {\mathrm{1889}}^1$

素因数の和:2544

約数の個数: 24

約数和(自身を含む): 47764080

約数和(自身を除く): 25764786

約数列:

[1, 2, 3, 6, 9, 18, 647, 1294, 1889, 1941, 3778, 3882, 5667, 5823, 11334, 11646, 17001, 34002, 1222183, 2444366, 3666549, 7333098, 10999647, 21999294]

約数ペア:

[(1, 21999294), (2, 10999647), (3, 7333098), (6, 3666549), (9, 2444366), (18, 1222183), (647, 34002), (1294, 17001), (1889, 11646), (1941, 11334), (3778, 5823), (3882, 5667)]