21496254

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{275593}}^1$

素因数の和:275611

約数の個数: 16

約数和(自身を含む): 46299792

約数和(自身を除く): 24803538

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 275593, 551186, 826779, 1653558, 3582709, 7165418, 10748127, 21496254]

約数ペア:

[(1, 21496254), (2, 10748127), (3, 7165418), (6, 3582709), (13, 1653558), (26, 826779), (39, 551186), (78, 275593)]