21432284

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{307}}^1\times {\mathrm{563}}^1$

素因数の和:905

約数の個数: 24

約数和(自身を含む): 38911488

約数和(自身を除く): 17479204

約数列:

[1, 2, 4, 31, 62, 124, 307, 563, 614, 1126, 1228, 2252, 9517, 17453, 19034, 34906, 38068, 69812, 172841, 345682, 691364, 5358071, 10716142, 21432284]

約数ペア:

[(1, 21432284), (2, 10716142), (4, 5358071), (31, 691364), (62, 345682), (124, 172841), (307, 69812), (563, 38068), (614, 34906), (1126, 19034), (1228, 17453), (2252, 9517)]