21924656

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{105407}}^1$

素因数の和:105428

約数の個数: 20

約数和(自身を含む): 45747072

約数和(自身を除く): 23822416

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 105407, 210814, 421628, 843256, 1370291, 1686512, 2740582, 5481164, 10962328, 21924656]

約数ペア:

[(1, 21924656), (2, 10962328), (4, 5481164), (8, 2740582), (13, 1686512), (16, 1370291), (26, 843256), (52, 421628), (104, 210814), (208, 105407)]