21095984

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{14489}}^1$

素因数の和:14517

約数の個数: 40

約数和(自身を含む): 50309280

約数和(自身を除く): 29213296

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 14489, 28978, 57956, 101423, 115912, 188357, 202846, 231824, 376714, 405692, 753428, 811384, 1318499, 1506856, 1622768, 2636998, 3013712, 5273996, 10547992, 21095984]

約数ペア:

[(1, 21095984), (2, 10547992), (4, 5273996), (7, 3013712), (8, 2636998), (13, 1622768), (14, 1506856), (16, 1318499), (26, 811384), (28, 753428), (52, 405692), (56, 376714), (91, 231824), (104, 202846), (112, 188357), (182, 115912), (208, 101423), (364, 57956), (728, 28978), (1456, 14489)]