21693294

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{172169}}^1$

素因数の和:172184

約数の個数: 24

約数和(自身を含む): 53717040

約数和(自身を除く): 32023746

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 172169, 344338, 516507, 1033014, 1205183, 1549521, 2410366, 3099042, 3615549, 7231098, 10846647, 21693294]

約数ペア:

[(1, 21693294), (2, 10846647), (3, 7231098), (6, 3615549), (7, 3099042), (9, 2410366), (14, 1549521), (18, 1205183), (21, 1033014), (42, 516507), (63, 344338), (126, 172169)]