21165018

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{503929}}^1$

素因数の和:503941

約数の個数: 16

約数和(自身を含む): 48377280

約数和(自身を除く): 27212262

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 503929, 1007858, 1511787, 3023574, 3527503, 7055006, 10582509, 21165018]

約数ペア:

[(1, 21165018), (2, 10582509), (3, 7055006), (6, 3527503), (7, 3023574), (14, 1511787), (21, 1007858), (42, 503929)]