21245829

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{523}}^1\times {\mathrm{1231}}^1$

素因数の和:1768

約数の個数: 16

約数和(自身を含む): 30987264

約数和(自身を除く): 9741435

約数列:

[1, 3, 11, 33, 523, 1231, 1569, 3693, 5753, 13541, 17259, 40623, 643813, 1931439, 7081943, 21245829]

約数ペア:

[(1, 21245829), (3, 7081943), (11, 1931439), (33, 643813), (523, 40623), (1231, 17259), (1569, 13541), (3693, 5753)]