21660133

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2801}}^1$

素因数の和:2868

約数の個数: 16

約数和(自身を含む): 25554240

約数和(自身を除く): 3894107

約数列:

[1, 11, 19, 37, 209, 407, 703, 2801, 7733, 30811, 53219, 103637, 585409, 1140007, 1969103, 21660133]

約数ペア:

[(1, 21660133), (11, 1969103), (19, 1140007), (37, 585409), (209, 103637), (407, 53219), (703, 30811), (2801, 7733)]