21392151

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{10627}}^1$

素因数の和:10702

約数の個数: 16

約数和(自身を含む): 31628928

約数和(自身を除く): 10236777

約数列:

[1, 3, 11, 33, 61, 183, 671, 2013, 10627, 31881, 116897, 350691, 648247, 1944741, 7130717, 21392151]

約数ペア:

[(1, 21392151), (3, 7130717), (11, 1944741), (33, 648247), (61, 350691), (183, 116897), (671, 31881), (2013, 10627)]