21336506

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{2237}}^1$

素因数の和:2509

約数の個数: 16

約数和(自身を含む): 33838560

約数和(自身を除く): 12502054

約数列:

[1, 2, 19, 38, 251, 502, 2237, 4474, 4769, 9538, 42503, 85006, 561487, 1122974, 10668253, 21336506]

約数ペア:

[(1, 21336506), (2, 10668253), (19, 1122974), (38, 561487), (251, 85006), (502, 42503), (2237, 9538), (4474, 4769)]