21382278

素因数分解:

$2^1\times 3^1\times {\mathrm{449}}^1\times {\mathrm{7937}}^1$

素因数の和:8391

約数の個数: 16

約数和(自身を含む): 42865200

約数和(自身を除く): 21482922

約数列:

[1, 2, 3, 6, 449, 898, 1347, 2694, 7937, 15874, 23811, 47622, 3563713, 7127426, 10691139, 21382278]

約数ペア:

[(1, 21382278), (2, 10691139), (3, 7127426), (6, 3563713), (449, 47622), (898, 23811), (1347, 15874), (2694, 7937)]