21089090432

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{8671501}}^1$

素因数の和:8671534

約数の個数: 32

約数和(自身を含む): 44224660200

約数和(自身を除く): 23135569768

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 304, 608, 1216, 2432, 8671501, 17343002, 34686004, 69372008, 138744016, 164758519, 277488032, 329517038, 554976064, 659034076, 1109952128, 1318068152, 2636136304, 5272272608, 10544545216, 21089090432]

約数ペア:

[(1, 21089090432), (2, 10544545216), (4, 5272272608), (8, 2636136304), (16, 1318068152), (19, 1109952128), (32, 659034076), (38, 554976064), (64, 329517038), (76, 277488032), (128, 164758519), (152, 138744016), (304, 69372008), (608, 34686004), (1216, 17343002), (2432, 8671501)]