21211508743

素因数分解:

${\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{3347}}^1\times {\mathrm{7757}}^1$

素因数の和:11166

約数の個数: 16

約数和(自身を含む): 22856929920

約数和(自身を除く): 1645421177

約数列:

[1, 19, 43, 817, 3347, 7757, 63593, 143921, 147383, 333551, 2734499, 6337469, 25962679, 493290901, 1116395197, 21211508743]

約数ペア:

[(1, 21211508743), (19, 1116395197), (43, 493290901), (817, 25962679), (3347, 6337469), (7757, 2734499), (63593, 333551), (143921, 147383)]