21823087

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{191}}^1$

素因数の和:279

約数の個数: 32

約数和(自身を含む): 27869184

約数和(自身を除く): 6046097

約数列:

[1, 11, 13, 17, 47, 143, 187, 191, 221, 517, 611, 799, 2101, 2431, 2483, 3247, 6721, 8789, 8977, 10387, 27313, 35717, 42211, 98747, 114257, 116701, 152609, 464321, 1283711, 1678699, 1983917, 21823087]

約数ペア:

[(1, 21823087), (11, 1983917), (13, 1678699), (17, 1283711), (47, 464321), (143, 152609), (187, 116701), (191, 114257), (221, 98747), (517, 42211), (611, 35717), (799, 27313), (2101, 10387), (2431, 8977), (2483, 8789), (3247, 6721)]