21531763

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{233}}^1\times {\mathrm{271}}^1$

素因数の和:546

約数の個数: 16

約数和(自身を含む): 24440832

約数和(自身を除く): 2909069

約数列:

[1, 11, 31, 233, 271, 341, 2563, 2981, 7223, 8401, 63143, 79453, 92411, 694573, 1957433, 21531763]

約数ペア:

[(1, 21531763), (11, 1957433), (31, 694573), (233, 92411), (271, 79453), (341, 63143), (2563, 8401), (2981, 7223)]