21108404

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{283}}^1\times {\mathrm{643}}^1$

素因数の和:959

約数の個数: 24

約数和(自身を含む): 38408160

約数和(自身を除く): 17299756

約数列:

[1, 2, 4, 29, 58, 116, 283, 566, 643, 1132, 1286, 2572, 8207, 16414, 18647, 32828, 37294, 74588, 181969, 363938, 727876, 5277101, 10554202, 21108404]

約数ペア:

[(1, 21108404), (2, 10554202), (4, 5277101), (29, 727876), (58, 363938), (116, 181969), (283, 74588), (566, 37294), (643, 32828), (1132, 18647), (1286, 16414), (2572, 8207)]