21743384

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{209071}}^1$

素因数の和:209090

約数の個数: 16

約数和(自身を含む): 43905120

約数和(自身を除く): 22161736

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 209071, 418142, 836284, 1672568, 2717923, 5435846, 10871692, 21743384]

約数ペア:

[(1, 21743384), (2, 10871692), (4, 5435846), (8, 2717923), (13, 1672568), (26, 836284), (52, 418142), (104, 209071)]