21840642

素因数分解:

$2^1\times 3^2\times {\mathrm{373}}^1\times {\mathrm{3253}}^1$

素因数の和:3634

約数の個数: 24

約数和(自身を含む): 47462844

約数和(自身を除く): 25622202

約数列:

[1, 2, 3, 6, 9, 18, 373, 746, 1119, 2238, 3253, 3357, 6506, 6714, 9759, 19518, 29277, 58554, 1213369, 2426738, 3640107, 7280214, 10920321, 21840642]

約数ペア:

[(1, 21840642), (2, 10920321), (3, 7280214), (6, 3640107), (9, 2426738), (18, 1213369), (373, 58554), (746, 29277), (1119, 19518), (2238, 9759), (3253, 6714), (3357, 6506)]