21086896

素因数分解:

$2^4\times {\mathrm{283}}^1\times {\mathrm{4657}}^1$

素因数の和:4948

約数の個数: 20

約数和(自身を含む): 41009032

約数和(自身を除く): 19922136

約数列:

[1, 2, 4, 8, 16, 283, 566, 1132, 2264, 4528, 4657, 9314, 18628, 37256, 74512, 1317931, 2635862, 5271724, 10543448, 21086896]

約数ペア:

[(1, 21086896), (2, 10543448), (4, 5271724), (8, 2635862), (16, 1317931), (283, 74512), (566, 37256), (1132, 18628), (2264, 9314), (4528, 4657)]