21084812

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{8461}}^1$

素因数の和:8561

約数の個数: 24

約数和(自身を含む): 42648480

約数和(自身を除く): 21563668

約数列:

[1, 2, 4, 7, 14, 28, 89, 178, 356, 623, 1246, 2492, 8461, 16922, 33844, 59227, 118454, 236908, 753029, 1506058, 3012116, 5271203, 10542406, 21084812]

約数ペア:

[(1, 21084812), (2, 10542406), (4, 5271203), (7, 3012116), (14, 1506058), (28, 753029), (89, 236908), (178, 118454), (356, 59227), (623, 33844), (1246, 16922), (2492, 8461)]