21928144

素因数分解:

$2^4\times 7^1\times {\mathrm{195787}}^1$

素因数の和:195802

約数の個数: 20

約数和(自身を含む): 48555424

約数和(自身を除く): 26627280

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 195787, 391574, 783148, 1370509, 1566296, 2741018, 3132592, 5482036, 10964072, 21928144]

約数ペア:

[(1, 21928144), (2, 10964072), (4, 5482036), (7, 3132592), (8, 2741018), (14, 1566296), (16, 1370509), (28, 783148), (56, 391574), (112, 195787)]