21908786

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{2297}}^1$

素因数の和:2569

約数の個数: 16

約数和(自身を含む): 34745760

約数和(自身を除く): 12836974

約数列:

[1, 2, 19, 38, 251, 502, 2297, 4594, 4769, 9538, 43643, 87286, 576547, 1153094, 10954393, 21908786]

約数ペア:

[(1, 21908786), (2, 10954393), (19, 1153094), (38, 576547), (251, 87286), (502, 43643), (2297, 9538), (4594, 4769)]