21707631

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{7561}}^1$

素因数の和:7607

約数の個数: 24

約数和(自身を含む): 35390160

約数和(自身を除く): 13682529

約数列:

[1, 3, 9, 11, 29, 33, 87, 99, 261, 319, 957, 2871, 7561, 22683, 68049, 83171, 219269, 249513, 657807, 748539, 1973421, 2411959, 7235877, 21707631]

約数ペア:

[(1, 21707631), (3, 7235877), (9, 2411959), (11, 1973421), (29, 748539), (33, 657807), (87, 249513), (99, 219269), (261, 83171), (319, 68049), (957, 22683), (2871, 7561)]