21334768

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{14653}}^1$

素因数の和:14681

約数の個数: 40

約数和(自身を含む): 50878688

約数和(自身を除く): 29543920

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 14653, 29306, 58612, 102571, 117224, 190489, 205142, 234448, 380978, 410284, 761956, 820568, 1333423, 1523912, 1641136, 2666846, 3047824, 5333692, 10667384, 21334768]

約数ペア:

[(1, 21334768), (2, 10667384), (4, 5333692), (7, 3047824), (8, 2666846), (13, 1641136), (14, 1523912), (16, 1333423), (26, 820568), (28, 761956), (52, 410284), (56, 380978), (91, 234448), (104, 205142), (112, 190489), (182, 117224), (208, 102571), (364, 58612), (728, 29306), (1456, 14653)]