21949147

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{337}}^1$

素因数の和:570

約数の個数: 16

約数和(自身を含む): 24920064

約数和(自身を除く): 2970917

約数列:

[1, 11, 31, 191, 337, 341, 2101, 3707, 5921, 10447, 64367, 65131, 114917, 708037, 1995377, 21949147]

約数ペア:

[(1, 21949147), (11, 1995377), (31, 708037), (191, 114917), (337, 65131), (341, 64367), (2101, 10447), (3707, 5921)]