21054968

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{21751}}^1$

素因数の和:21779

約数の個数: 24

約数和(自身を含む): 43395240

約数和(自身を除く): 22340272

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 242, 484, 968, 21751, 43502, 87004, 174008, 239261, 478522, 957044, 1914088, 2631871, 5263742, 10527484, 21054968]

約数ペア:

[(1, 21054968), (2, 10527484), (4, 5263742), (8, 2631871), (11, 1914088), (22, 957044), (44, 478522), (88, 239261), (121, 174008), (242, 87004), (484, 43502), (968, 21751)]