21837998

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{1237}}^1$

素因数の和:1356

約数の個数: 32

約数和(自身を含む): 40764864

約数和(自身を除く): 18926866

約数列:

[1, 2, 7, 13, 14, 26, 91, 97, 182, 194, 679, 1237, 1261, 1358, 2474, 2522, 8659, 8827, 16081, 17318, 17654, 32162, 112567, 119989, 225134, 239978, 839923, 1559857, 1679846, 3119714, 10918999, 21837998]

約数ペア:

[(1, 21837998), (2, 10918999), (7, 3119714), (13, 1679846), (14, 1559857), (26, 839923), (91, 239978), (97, 225134), (182, 119989), (194, 112567), (679, 32162), (1237, 17654), (1261, 17318), (1358, 16081), (2474, 8827), (2522, 8659)]