21000984009

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{251}}^1\times {\mathrm{593399}}^1$

素因数の和:593700

約数の個数: 16

約数和(自身を含む): 28711065600

約数和(自身を除く): 7710081591

約数列:

[1, 3, 47, 141, 251, 753, 11797, 35391, 593399, 1780197, 27889753, 83669259, 148943149, 446829447, 7000328003, 21000984009]

約数ペア:

[(1, 21000984009), (3, 7000328003), (47, 446829447), (141, 148943149), (251, 83669259), (753, 27889753), (11797, 1780197), (35391, 593399)]