21096117

素因数分解:

$3^2\times 7^2\times {\mathrm{47837}}^1$

素因数の和:47857

約数の個数: 18

約数和(自身を含む): 35447958

約数和(自身を除く): 14351841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 47837, 143511, 334859, 430533, 1004577, 2344013, 3013731, 7032039, 21096117]

約数ペア:

[(1, 21096117), (3, 7032039), (7, 3013731), (9, 2344013), (21, 1004577), (49, 430533), (63, 334859), (147, 143511), (441, 47837)]