21797384

素因数分解:

$2^3\times 7^1\times {\mathrm{109}}^1\times {\mathrm{3571}}^1$

素因数の和:3693

約数の個数: 32

約数和(自身を含む): 47150400

約数和(自身を除く): 25353016

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 109, 218, 436, 763, 872, 1526, 3052, 3571, 6104, 7142, 14284, 24997, 28568, 49994, 99988, 199976, 389239, 778478, 1556956, 2724673, 3113912, 5449346, 10898692, 21797384]

約数ペア:

[(1, 21797384), (2, 10898692), (4, 5449346), (7, 3113912), (8, 2724673), (14, 1556956), (28, 778478), (56, 389239), (109, 199976), (218, 99988), (436, 49994), (763, 28568), (872, 24997), (1526, 14284), (3052, 7142), (3571, 6104)]