21184141

素因数分解:

${\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{241}}^1$

素因数の和:444

約数の個数: 16

約数和(自身を含む): 23766336

約数和(自身を除く): 2582195

約数列:

[1, 11, 61, 131, 241, 671, 1441, 2651, 7991, 14701, 31571, 87901, 161711, 347281, 1925831, 21184141]

約数ペア:

[(1, 21184141), (11, 1925831), (61, 347281), (131, 161711), (241, 87901), (671, 31571), (1441, 14701), (2651, 7991)]