21279156

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{1301}}^1$

素因数の和:1384

約数の個数: 48

約数和(自身を含む): 52496640

約数和(自身を除く): 31217484

約数列:

[1, 2, 3, 4, 6, 12, 29, 47, 58, 87, 94, 116, 141, 174, 188, 282, 348, 564, 1301, 1363, 2602, 2726, 3903, 4089, 5204, 5452, 7806, 8178, 15612, 16356, 37729, 61147, 75458, 113187, 122294, 150916, 183441, 226374, 244588, 366882, 452748, 733764, 1773263, 3546526, 5319789, 7093052, 10639578, 21279156]

約数ペア:

[(1, 21279156), (2, 10639578), (3, 7093052), (4, 5319789), (6, 3546526), (12, 1773263), (29, 733764), (47, 452748), (58, 366882), (87, 244588), (94, 226374), (116, 183441), (141, 150916), (174, 122294), (188, 113187), (282, 75458), (348, 61147), (564, 37729), (1301, 16356), (1363, 15612), (2602, 8178), (2726, 7806), (3903, 5452), (4089, 5204)]