21396216

素因数分解:

$2^3\times 3^1\times {\mathrm{891509}}^1$

素因数の和:891518

約数の個数: 16

約数和(自身を含む): 53490600

約数和(自身を除く): 32094384

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 891509, 1783018, 2674527, 3566036, 5349054, 7132072, 10698108, 21396216]

約数ペア:

[(1, 21396216), (2, 10698108), (3, 7132072), (4, 5349054), (6, 3566036), (8, 2674527), (12, 1783018), (24, 891509)]