21945294

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{174169}}^1$

素因数の和:174184

約数の個数: 24

約数和(自身を含む): 54341040

約数和(自身を除く): 32395746

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 174169, 348338, 522507, 1045014, 1219183, 1567521, 2438366, 3135042, 3657549, 7315098, 10972647, 21945294]

約数ペア:

[(1, 21945294), (2, 10972647), (3, 7315098), (6, 3657549), (7, 3135042), (9, 2438366), (14, 1567521), (18, 1219183), (21, 1045014), (42, 522507), (63, 348338), (126, 174169)]