21244503

素因数分解:

$3^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{3733}}^1$

素因数の和:4014

約数の個数: 16

約数和(自身を含む): 32500736

約数和(自身を除く): 11256233

約数列:

[1, 3, 7, 21, 271, 813, 1897, 3733, 5691, 11199, 26131, 78393, 1011643, 3034929, 7081501, 21244503]

約数ペア:

[(1, 21244503), (3, 7081501), (7, 3034929), (21, 1011643), (271, 78393), (813, 26131), (1897, 11199), (3733, 5691)]