21123074

素因数分解:

$2^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{8429}}^1$

素因数の和:8617

約数の個数: 16

約数和(自身を含む): 36417600

約数和(自身を除く): 15294526

約数列:

[1, 2, 7, 14, 179, 358, 1253, 2506, 8429, 16858, 59003, 118006, 1508791, 3017582, 10561537, 21123074]

約数ペア:

[(1, 21123074), (2, 10561537), (7, 3017582), (14, 1508791), (179, 118006), (358, 59003), (1253, 16858), (2506, 8429)]