21051796678

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{173}}^1\times {\mathrm{42223}}^1$

素因数の和:42540

約数の個数: 32

約数和(自身を含む): 34912829952

約数和(自身を除く): 13861033274

約数列:

[1, 2, 11, 22, 131, 173, 262, 346, 1441, 1903, 2882, 3806, 22663, 42223, 45326, 84446, 249293, 464453, 498586, 928906, 5531213, 7304579, 11062426, 14609158, 60843343, 80350369, 121686686, 160700738, 956899849, 1913799698, 10525898339, 21051796678]

約数ペア:

[(1, 21051796678), (2, 10525898339), (11, 1913799698), (22, 956899849), (131, 160700738), (173, 121686686), (262, 80350369), (346, 60843343), (1441, 14609158), (1903, 11062426), (2882, 7304579), (3806, 5531213), (22663, 928906), (42223, 498586), (45326, 464453), (84446, 249293)]