21836247

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{251}}^1\times {\mathrm{617}}^1$

素因数の和:918

約数の個数: 16

約数和(自身を含む): 29901312

約数和(自身を除く): 8065065

約数列:

[1, 3, 47, 141, 251, 617, 753, 1851, 11797, 28999, 35391, 86997, 154867, 464601, 7278749, 21836247]

約数ペア:

[(1, 21836247), (3, 7278749), (47, 464601), (141, 154867), (251, 86997), (617, 35391), (753, 28999), (1851, 11797)]