21444159

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{4139}}^1$

素因数の和:4310

約数の個数: 16

約数和(自身を含む): 31397760

約数和(自身を除く): 9953601

約数列:

[1, 3, 11, 33, 157, 471, 1727, 4139, 5181, 12417, 45529, 136587, 649823, 1949469, 7148053, 21444159]

約数ペア:

[(1, 21444159), (3, 7148053), (11, 1949469), (33, 649823), (157, 136587), (471, 45529), (1727, 12417), (4139, 5181)]