21769969201

素因数分解:

${\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{87881}}^1$

素因数の和:88104

約数の個数: 16

約数和(自身を含む): 23015241216

約数和(自身を除く): 1245272015

約数列:

[1, 31, 61, 131, 1891, 4061, 7991, 87881, 247721, 2724311, 5360741, 11512411, 166182971, 356884741, 702257071, 21769969201]

約数ペア:

[(1, 21769969201), (31, 702257071), (61, 356884741), (131, 166182971), (1891, 11512411), (4061, 5360741), (7991, 2724311), (87881, 247721)]