21928489

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{439}}^1$

素因数の和:708

約数の個数: 16

約数和(自身を含む): 25344000

約数和(自身を除く): 3415511

約数列:

[1, 11, 19, 209, 239, 439, 2629, 4541, 4829, 8341, 49951, 91751, 104921, 1154131, 1993499, 21928489]

約数ペア:

[(1, 21928489), (11, 1993499), (19, 1154131), (209, 104921), (239, 91751), (439, 49951), (2629, 8341), (4541, 4829)]