21090201

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{10477}}^1$

素因数の和:10552

約数の個数: 16

約数和(自身を含む): 31182528

約数和(自身を除く): 10092327

約数列:

[1, 3, 11, 33, 61, 183, 671, 2013, 10477, 31431, 115247, 345741, 639097, 1917291, 7030067, 21090201]

約数ペア:

[(1, 21090201), (3, 7030067), (11, 1917291), (33, 639097), (61, 345741), (183, 115247), (671, 31431), (2013, 10477)]