21797704

素因数分解:

$2^3\times {\mathrm{1381}}^1\times {\mathrm{1973}}^1$

素因数の和:3360

約数の個数: 16

約数和(自身を含む): 40921020

約数和(自身を除く): 19123316

約数列:

[1, 2, 4, 8, 1381, 1973, 2762, 3946, 5524, 7892, 11048, 15784, 2724713, 5449426, 10898852, 21797704]

約数ペア:

[(1, 21797704), (2, 10898852), (4, 5449426), (8, 2724713), (1381, 15784), (1973, 11048), (2762, 7892), (3946, 5524)]