21863646

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{2377}}^1$

素因数の和:2465

約数の個数: 48

約数和(自身を含む): 54903264

約数和(自身を除く): 33039618

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 73, 126, 146, 219, 438, 511, 657, 1022, 1314, 1533, 2377, 3066, 4599, 4754, 7131, 9198, 14262, 16639, 21393, 33278, 42786, 49917, 99834, 149751, 173521, 299502, 347042, 520563, 1041126, 1214647, 1561689, 2429294, 3123378, 3643941, 7287882, 10931823, 21863646]

約数ペア:

[(1, 21863646), (2, 10931823), (3, 7287882), (6, 3643941), (7, 3123378), (9, 2429294), (14, 1561689), (18, 1214647), (21, 1041126), (42, 520563), (63, 347042), (73, 299502), (126, 173521), (146, 149751), (219, 99834), (438, 49917), (511, 42786), (657, 33278), (1022, 21393), (1314, 16639), (1533, 14262), (2377, 9198), (3066, 7131), (4599, 4754)]