21036568

素因数分解:

$2^3\times 7^1\times {\mathrm{59}}^1\times {\mathrm{6367}}^1$

素因数の和:6439

約数の個数: 32

約数和(自身を含む): 45849600

約数和(自身を除く): 24813032

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 59, 118, 236, 413, 472, 826, 1652, 3304, 6367, 12734, 25468, 44569, 50936, 89138, 178276, 356552, 375653, 751306, 1502612, 2629571, 3005224, 5259142, 10518284, 21036568]

約数ペア:

[(1, 21036568), (2, 10518284), (4, 5259142), (7, 3005224), (8, 2629571), (14, 1502612), (28, 751306), (56, 375653), (59, 356552), (118, 178276), (236, 89138), (413, 50936), (472, 44569), (826, 25468), (1652, 12734), (3304, 6367)]