21039074

素因数分解:

$2^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{11833}}^1$

素因数の和:11969

約数の個数: 16

約数和(自身を含む): 36354048

約数和(自身を除く): 15314974

約数列:

[1, 2, 7, 14, 127, 254, 889, 1778, 11833, 23666, 82831, 165662, 1502791, 3005582, 10519537, 21039074]

約数ペア:

[(1, 21039074), (2, 10519537), (7, 3005582), (14, 1502791), (127, 165662), (254, 82831), (889, 23666), (1778, 11833)]