21000261824

素因数分解:

$2^6\times {\mathrm{328129091}}^1$

素因数の和:328129103

約数の個数: 14

約数和(自身を含む): 41672394684

約数和(自身を除く): 20672132860

約数列:

[1, 2, 4, 8, 16, 32, 64, 328129091, 656258182, 1312516364, 2625032728, 5250065456, 10500130912, 21000261824]

約数ペア:

[(1, 21000261824), (2, 10500130912), (4, 5250065456), (8, 2625032728), (16, 1312516364), (32, 656258182), (64, 328129091)]