21857168

素因数分解:

$2^4\times {\mathrm{601}}^1\times {\mathrm{2273}}^1$

素因数の和:2882

約数の個数: 20

約数和(自身を含む): 42437388

約数和(自身を除く): 20580220

約数列:

[1, 2, 4, 8, 16, 601, 1202, 2273, 2404, 4546, 4808, 9092, 9616, 18184, 36368, 1366073, 2732146, 5464292, 10928584, 21857168]

約数ペア:

[(1, 21857168), (2, 10928584), (4, 5464292), (8, 2732146), (16, 1366073), (601, 36368), (1202, 18184), (2273, 9616), (2404, 9092), (4546, 4808)]