21854284

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{293}}^1\times {\mathrm{643}}^1$

素因数の和:969

約数の個数: 24

約数和(自身を含む): 39760560

約数和(自身を除く): 17906276

約数列:

[1, 2, 4, 29, 58, 116, 293, 586, 643, 1172, 1286, 2572, 8497, 16994, 18647, 33988, 37294, 74588, 188399, 376798, 753596, 5463571, 10927142, 21854284]

約数ペア:

[(1, 21854284), (2, 10927142), (4, 5463571), (29, 753596), (58, 376798), (116, 188399), (293, 74588), (586, 37294), (643, 33988), (1172, 18647), (1286, 16994), (2572, 8497)]