21661225201

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{15473}}^1\times {\mathrm{18181}}^1$

素因数の和:33672

約数の個数: 16

約数和(自身を含む): 27009433728

約数和(自身を除く): 5348208527

約数列:

[1, 7, 11, 77, 15473, 18181, 108311, 127267, 170203, 199991, 1191421, 1399937, 281314613, 1969202291, 3094460743, 21661225201]

約数ペア:

[(1, 21661225201), (7, 3094460743), (11, 1969202291), (77, 281314613), (15473, 1399937), (18181, 1191421), (108311, 199991), (127267, 170203)]