21851919

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{7517}}^1$

素因数の和:7559

約数の個数: 24

約数和(自身を含む): 35184240

約数和(自身を除く): 13332321

約数列:

[1, 3, 9, 17, 19, 51, 57, 153, 171, 323, 969, 2907, 7517, 22551, 67653, 127789, 142823, 383367, 428469, 1150101, 1285407, 2427991, 7283973, 21851919]

約数ペア:

[(1, 21851919), (3, 7283973), (9, 2427991), (17, 1285407), (19, 1150101), (51, 428469), (57, 383367), (153, 142823), (171, 127789), (323, 67653), (969, 22551), (2907, 7517)]