21000273856

素因数分解:

$2^6\times {\mathrm{10957}}^1\times {\mathrm{29947}}^1$

素因数の和:40916

約数の個数: 28

約数和(自身を含む): 41677613368

約数和(自身を除く): 20677339512

約数列:

[1, 2, 4, 8, 16, 32, 64, 10957, 21914, 29947, 43828, 59894, 87656, 119788, 175312, 239576, 350624, 479152, 701248, 958304, 1916608, 328129279, 656258558, 1312517116, 2625034232, 5250068464, 10500136928, 21000273856]

約数ペア:

[(1, 21000273856), (2, 10500136928), (4, 5250068464), (8, 2625034232), (16, 1312517116), (32, 656258558), (64, 328129279), (10957, 1916608), (21914, 958304), (29947, 701248), (43828, 479152), (59894, 350624), (87656, 239576), (119788, 175312)]