21007029248

素因数分解:

$2^{10}\times {\mathrm{20514677}}^1$

素因数の和:20514697

約数の個数: 22

約数和(自身を含む): 41993545866

約数和(自身を除く): 20986516618

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 20514677, 41029354, 82058708, 164117416, 328234832, 656469664, 1312939328, 2625878656, 5251757312, 10503514624, 21007029248]

約数ペア:

[(1, 21007029248), (2, 10503514624), (4, 5251757312), (8, 2625878656), (16, 1312939328), (32, 656469664), (64, 328234832), (128, 164117416), (256, 82058708), (512, 41029354), (1024, 20514677)]