21360128

素因数分解:

$2^9\times {\mathrm{41719}}^1$

素因数の和:41737

約数の個数: 20

約数和(自身を含む): 42679560

約数和(自身を除く): 21319432

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 41719, 83438, 166876, 333752, 667504, 1335008, 2670016, 5340032, 10680064, 21360128]

約数ペア:

[(1, 21360128), (2, 10680064), (4, 5340032), (8, 2670016), (16, 1335008), (32, 667504), (64, 333752), (128, 166876), (256, 83438), (512, 41719)]