21075454

素因数分解:

$2^1\times {\mathrm{149}}^1\times {\mathrm{197}}^1\times {\mathrm{359}}^1$

素因数の和:707

約数の個数: 16

約数和(自身を含む): 32076000

約数和(自身を除く): 11000546

約数列:

[1, 2, 149, 197, 298, 359, 394, 718, 29353, 53491, 58706, 70723, 106982, 141446, 10537727, 21075454]

約数ペア:

[(1, 21075454), (2, 10537727), (149, 141446), (197, 106982), (298, 70723), (359, 58706), (394, 53491), (718, 29353)]