21031323

素因数分解:

$3^1\times {\mathrm{89}}^1\times {\mathrm{227}}^1\times {\mathrm{347}}^1$

素因数の和:666

約数の個数: 16

約数和(自身を含む): 28563840

約数和(自身を除く): 7532517

約数列:

[1, 3, 89, 227, 267, 347, 681, 1041, 20203, 30883, 60609, 78769, 92649, 236307, 7010441, 21031323]

約数ペア:

[(1, 21031323), (3, 7010441), (89, 236307), (227, 92649), (267, 78769), (347, 60609), (681, 30883), (1041, 20203)]