21059142

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{7297}}^1$

素因数の和:7352

約数の個数: 32

約数和(自身を含む): 46590432

約数和(自身を除く): 25531290

約数列:

[1, 2, 3, 6, 13, 26, 37, 39, 74, 78, 111, 222, 481, 962, 1443, 2886, 7297, 14594, 21891, 43782, 94861, 189722, 269989, 284583, 539978, 569166, 809967, 1619934, 3509857, 7019714, 10529571, 21059142]

約数ペア:

[(1, 21059142), (2, 10529571), (3, 7019714), (6, 3509857), (13, 1619934), (26, 809967), (37, 569166), (39, 539978), (74, 284583), (78, 269989), (111, 189722), (222, 94861), (481, 43782), (962, 21891), (1443, 14594), (2886, 7297)]