21934288

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{12577}}^1$

素因数の和:12694

約数の個数: 20

約数和(自身を含む): 42890980

約数和(自身を除く): 20956692

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 12577, 25154, 50308, 100616, 201232, 1370893, 2741786, 5483572, 10967144, 21934288]

約数ペア:

[(1, 21934288), (2, 10967144), (4, 5483572), (8, 2741786), (16, 1370893), (109, 201232), (218, 100616), (436, 50308), (872, 25154), (1744, 12577)]