21000978824

素因数分解:

$2^3\times 7^1\times {\mathrm{375017479}}^1$

素因数の和:375017492

約数の個数: 16

約数和(自身を含む): 45002097600

約数和(自身を除く): 24001118776

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 375017479, 750034958, 1500069916, 2625122353, 3000139832, 5250244706, 10500489412, 21000978824]

約数ペア:

[(1, 21000978824), (2, 10500489412), (4, 5250244706), (7, 3000139832), (8, 2625122353), (14, 1500069916), (28, 750034958), (56, 375017479)]