21378966

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{509023}}^1$

素因数の和:509035

約数の個数: 16

約数和(自身を含む): 48866304

約数和(自身を除く): 27487338

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 509023, 1018046, 1527069, 3054138, 3563161, 7126322, 10689483, 21378966]

約数ペア:

[(1, 21378966), (2, 10689483), (3, 7126322), (6, 3563161), (7, 3054138), (14, 1527069), (21, 1018046), (42, 509023)]