21129416

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{34301}}^1$

素因数の和:34325

約数の個数: 32

約数和(自身を含む): 49394880

約数和(自身を除く): 28265464

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 308, 616, 34301, 68602, 137204, 240107, 274408, 377311, 480214, 754622, 960428, 1509244, 1920856, 2641177, 3018488, 5282354, 10564708, 21129416]

約数ペア:

[(1, 21129416), (2, 10564708), (4, 5282354), (7, 3018488), (8, 2641177), (11, 1920856), (14, 1509244), (22, 960428), (28, 754622), (44, 480214), (56, 377311), (77, 274408), (88, 240107), (154, 137204), (308, 68602), (616, 34301)]