21000852376

素因数分解:

$2^3\times 7^2\times {\mathrm{53573603}}^1$

素因数の和:53573623

約数の個数: 24

約数和(自身を含む): 45805431420

約数和(自身を除く): 24804579044

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 53573603, 107147206, 214294412, 375015221, 428588824, 750030442, 1500060884, 2625106547, 3000121768, 5250213094, 10500426188, 21000852376]

約数ペア:

[(1, 21000852376), (2, 10500426188), (4, 5250213094), (7, 3000121768), (8, 2625106547), (14, 1500060884), (28, 750030442), (49, 428588824), (56, 375015221), (98, 214294412), (196, 107147206), (392, 53573603)]