21621712

素因数分解:

$2^4\times 7^1\times {\mathrm{193051}}^1$

素因数の和:193066

約数の個数: 20

約数和(自身を含む): 47876896

約数和(自身を除く): 26255184

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 193051, 386102, 772204, 1351357, 1544408, 2702714, 3088816, 5405428, 10810856, 21621712]

約数ペア:

[(1, 21621712), (2, 10810856), (4, 5405428), (7, 3088816), (8, 2702714), (14, 1544408), (16, 1351357), (28, 772204), (56, 386102), (112, 193051)]