21400694756

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{10764937}}^1$

素因数の和:10765019

約数の個数: 24

約数和(自身を含む): 43404230016

約数和(自身を除く): 22003535260

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 10764937, 21529874, 43059748, 75354559, 150709118, 301418236, 764310527, 1528621054, 3057242108, 5350173689, 10700347378, 21400694756]

約数ペア:

[(1, 21400694756), (2, 10700347378), (4, 5350173689), (7, 3057242108), (14, 1528621054), (28, 764310527), (71, 301418236), (142, 150709118), (284, 75354559), (497, 43059748), (994, 21529874), (1988, 10764937)]