21410787

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{431}}^1\times {\mathrm{571}}^1$

素因数の和:1034

約数の個数: 16

約数和(自身を含む): 29652480

約数和(自身を除く): 8241693

約数列:

[1, 3, 29, 87, 431, 571, 1293, 1713, 12499, 16559, 37497, 49677, 246101, 738303, 7136929, 21410787]

約数ペア:

[(1, 21410787), (3, 7136929), (29, 738303), (87, 246101), (431, 49677), (571, 37497), (1293, 16559), (1713, 12499)]