21170997

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{41269}}^1$

素因数の和:41297

約数の個数: 16

約数和(自身を含む): 33016000

約数和(自身を除く): 11845003

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 41269, 123807, 371421, 784111, 1114263, 2352333, 7056999, 21170997]

約数ペア:

[(1, 21170997), (3, 7056999), (9, 2352333), (19, 1114263), (27, 784111), (57, 371421), (171, 123807), (513, 41269)]