21000388624

素因数分解:

$2^4\times {\mathrm{1312524289}}^1$

素因数の和:1312524297

約数の個数: 10

約数和(自身を含む): 40688252990

約数和(自身を除く): 19687864366

約数列:

[1, 2, 4, 8, 16, 1312524289, 2625048578, 5250097156, 10500194312, 21000388624]

約数ペア:

[(1, 21000388624), (2, 10500194312), (4, 5250097156), (8, 2625048578), (16, 1312524289)]