21406583

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{401}}^1$

素因数の和:646

約数の個数: 16

約数和(自身を含む): 24544512

約数和(自身を除く): 3137929

約数列:

[1, 11, 23, 211, 253, 401, 2321, 4411, 4853, 9223, 53383, 84611, 101453, 930721, 1946053, 21406583]

約数ペア:

[(1, 21406583), (11, 1946053), (23, 930721), (211, 101453), (253, 84611), (401, 53383), (2321, 9223), (4411, 4853)]