21345999

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{6247}}^1$

素因数の和:6334

約数の個数: 16

約数和(自身を含む): 30590208

約数和(自身を除く): 9244209

約数列:

[1, 3, 17, 51, 67, 201, 1139, 3417, 6247, 18741, 106199, 318597, 418549, 1255647, 7115333, 21345999]

約数ペア:

[(1, 21345999), (3, 7115333), (17, 1255647), (51, 418549), (67, 318597), (201, 106199), (1139, 18741), (3417, 6247)]