21710776

素因数分解:

$2^3\times {\mathrm{523}}^1\times {\mathrm{5189}}^1$

素因数の和:5718

約数の個数: 16

約数和(自身を含む): 40793400

約数和(自身を除く): 19082624

約数列:

[1, 2, 4, 8, 523, 1046, 2092, 4184, 5189, 10378, 20756, 41512, 2713847, 5427694, 10855388, 21710776]

約数ペア:

[(1, 21710776), (2, 10855388), (4, 5427694), (8, 2713847), (523, 41512), (1046, 20756), (2092, 10378), (4184, 5189)]