21407542

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{11279}}^1$

素因数の和:11367

約数の個数: 16

約数和(自身を含む): 35058240

約数和(自身を除く): 13650698

約数列:

[1, 2, 13, 26, 73, 146, 949, 1898, 11279, 22558, 146627, 293254, 823367, 1646734, 10703771, 21407542]

約数ペア:

[(1, 21407542), (2, 10703771), (13, 1646734), (26, 823367), (73, 293254), (146, 146627), (949, 22558), (1898, 11279)]