21000514810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{6883}}^1\times {\mathrm{27737}}^1$

素因数の和:34638

約数の個数: 32

約数和(自身を含む): 41244852672

約数和(自身を除く): 20244337862

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 6883, 13766, 27737, 34415, 55474, 68830, 75713, 138685, 151426, 277370, 305107, 378565, 610214, 757130, 1525535, 3051070, 190913771, 381827542, 954568855, 1909137710, 2100051481, 4200102962, 10500257405, 21000514810]

約数ペア:

[(1, 21000514810), (2, 10500257405), (5, 4200102962), (10, 2100051481), (11, 1909137710), (22, 954568855), (55, 381827542), (110, 190913771), (6883, 3051070), (13766, 1525535), (27737, 757130), (34415, 610214), (55474, 378565), (68830, 305107), (75713, 277370), (138685, 151426)]