21676317

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{5503}}^1$

素因数の和:5620

約数の個数: 16

約数和(自身を含む): 31438848

約数和(自身を除く): 9762531

約数列:

[1, 3, 13, 39, 101, 303, 1313, 3939, 5503, 16509, 71539, 214617, 555803, 1667409, 7225439, 21676317]

約数ペア:

[(1, 21676317), (3, 7225439), (13, 1667409), (39, 555803), (101, 214617), (303, 71539), (1313, 16509), (3939, 5503)]