21162776

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{29723}}^1$

素因数の和:29818

約数の個数: 16

約数和(自身を含む): 40127400

約数和(自身を除く): 18964624

約数列:

[1, 2, 4, 8, 89, 178, 356, 712, 29723, 59446, 118892, 237784, 2645347, 5290694, 10581388, 21162776]

約数ペア:

[(1, 21162776), (2, 10581388), (4, 5290694), (8, 2645347), (89, 237784), (178, 118892), (356, 59446), (712, 29723)]