21338718

素因数分解:

$2^1\times 3^1\times {\mathrm{787}}^1\times {\mathrm{4519}}^1$

素因数の和:5311

約数の個数: 16

約数和(自身を含む): 42741120

約数和(自身を除く): 21402402

約数列:

[1, 2, 3, 6, 787, 1574, 2361, 4519, 4722, 9038, 13557, 27114, 3556453, 7112906, 10669359, 21338718]

約数ペア:

[(1, 21338718), (2, 10669359), (3, 7112906), (6, 3556453), (787, 27114), (1574, 13557), (2361, 9038), (4519, 4722)]