21414316

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{277}}^1$

素因数の和:550

約数の個数: 48

約数和(自身を含む): 47077632

約数和(自身を除く): 25663316

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 251, 277, 308, 502, 554, 1004, 1108, 1757, 1939, 2761, 3047, 3514, 3878, 5522, 6094, 7028, 7756, 11044, 12188, 19327, 21329, 38654, 42658, 69527, 77308, 85316, 139054, 278108, 486689, 764797, 973378, 1529594, 1946756, 3059188, 5353579, 10707158, 21414316]

約数ペア:

[(1, 21414316), (2, 10707158), (4, 5353579), (7, 3059188), (11, 1946756), (14, 1529594), (22, 973378), (28, 764797), (44, 486689), (77, 278108), (154, 139054), (251, 85316), (277, 77308), (308, 69527), (502, 42658), (554, 38654), (1004, 21329), (1108, 19327), (1757, 12188), (1939, 11044), (2761, 7756), (3047, 7028), (3514, 6094), (3878, 5522)]