21340366936

素因数分解:

$2^3\times 7^1\times {\mathrm{67579}}^1\times {\mathrm{5639}}^1$

素因数の和:73231

約数の個数: 32

約数和(自身を含む): 45738144000

約数和(自身を除く): 24397777064

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 5639, 11278, 22556, 39473, 45112, 67579, 78946, 135158, 157892, 270316, 315784, 473053, 540632, 946106, 1892212, 3784424, 381077981, 762155962, 1524311924, 2667545867, 3048623848, 5335091734, 10670183468, 21340366936]

約数ペア:

[(1, 21340366936), (2, 10670183468), (4, 5335091734), (7, 3048623848), (8, 2667545867), (14, 1524311924), (28, 762155962), (56, 381077981), (5639, 3784424), (11278, 1892212), (22556, 946106), (39473, 540632), (45112, 473053), (67579, 315784), (78946, 270316), (135158, 157892)]