21798506

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{5393}}^1$

素因数の和:5485

約数の個数: 16

約数和(自身を含む): 34176384

約数和(自身を除く): 12377878

約数列:

[1, 2, 43, 47, 86, 94, 2021, 4042, 5393, 10786, 231899, 253471, 463798, 506942, 10899253, 21798506]

約数ペア:

[(1, 21798506), (2, 10899253), (43, 506942), (47, 463798), (86, 253471), (94, 231899), (2021, 10786), (4042, 5393)]