21208922

素因数分解:

$2^1\times 7^1\times {\mathrm{673}}^1\times {\mathrm{2251}}^1$

素因数の和:2933

約数の個数: 16

約数和(自身を含む): 36428352

約数和(自身を除く): 15219430

約数列:

[1, 2, 7, 14, 673, 1346, 2251, 4502, 4711, 9422, 15757, 31514, 1514923, 3029846, 10604461, 21208922]

約数ペア:

[(1, 21208922), (2, 10604461), (7, 3029846), (14, 1514923), (673, 31514), (1346, 15757), (2251, 9422), (4502, 4711)]