21974489

素因数分解:

${\mathrm{17}}^1\times {\mathrm{29}}^3\times {\mathrm{53}}^1$

素因数の和:157

約数の個数: 16

約数和(自身を含む): 24552720

約数和(自身を除く): 2578231

約数列:

[1, 17, 29, 53, 493, 841, 901, 1537, 14297, 24389, 26129, 44573, 414613, 757741, 1292617, 21974489]

約数ペア:

[(1, 21974489), (17, 1292617), (29, 757741), (53, 414613), (493, 44573), (841, 26129), (901, 24389), (1537, 14297)]