21486706

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{1669}}^1$

素因数の和:1869

約数の個数: 16

約数和(自身を含む): 33246360

約数和(自身を除く): 11759654

約数列:

[1, 2, 41, 82, 157, 314, 1669, 3338, 6437, 12874, 68429, 136858, 262033, 524066, 10743353, 21486706]

約数ペア:

[(1, 21486706), (2, 10743353), (41, 524066), (82, 262033), (157, 136858), (314, 68429), (1669, 12874), (3338, 6437)]