21802738

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{67}}^1\times {\mathrm{563}}^1$

素因数の和:666

約数の個数: 24

約数和(自身を含む): 35322192

約数和(自身を除く): 13519454

約数列:

[1, 2, 17, 34, 67, 134, 289, 563, 578, 1126, 1139, 2278, 9571, 19142, 19363, 37721, 38726, 75442, 162707, 325414, 641257, 1282514, 10901369, 21802738]

約数ペア:

[(1, 21802738), (2, 10901369), (17, 1282514), (34, 641257), (67, 325414), (134, 162707), (289, 75442), (563, 38726), (578, 37721), (1126, 19363), (1139, 19142), (2278, 9571)]