21004712

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{29501}}^1$

素因数の和:29596

約数の個数: 16

約数和(自身を含む): 39827700

約数和(自身を除く): 18822988

約数列:

[1, 2, 4, 8, 89, 178, 356, 712, 29501, 59002, 118004, 236008, 2625589, 5251178, 10502356, 21004712]

約数ペア:

[(1, 21004712), (2, 10502356), (4, 5251178), (8, 2625589), (89, 236008), (178, 118004), (356, 59002), (712, 29501)]