21380286095

素因数分解:

$5^1\times 7^1\times {\mathrm{80621}}^1\times {\mathrm{7577}}^1$

素因数の和:88210

約数の個数: 16

約数和(自身を含む): 29325768768

約数和(自身を除く): 7945482673

約数列:

[1, 5, 7, 35, 7577, 37885, 53039, 80621, 265195, 403105, 564347, 2821735, 610865317, 3054326585, 4276057219, 21380286095]

約数ペア:

[(1, 21380286095), (5, 4276057219), (7, 3054326585), (35, 610865317), (7577, 2821735), (37885, 564347), (53039, 403105), (80621, 265195)]