21680288

素因数分解:

$2^5\times 7^1\times {\mathrm{96787}}^1$

素因数の和:96804

約数の個数: 24

約数和(自身を含む): 48781152

約数和(自身を除く): 27100864

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 96787, 193574, 387148, 677509, 774296, 1355018, 1548592, 2710036, 3097184, 5420072, 10840144, 21680288]

約数ペア:

[(1, 21680288), (2, 10840144), (4, 5420072), (7, 3097184), (8, 2710036), (14, 1548592), (16, 1355018), (28, 774296), (32, 677509), (56, 387148), (112, 193574), (224, 96787)]