21974722

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{4603}}^1$

素因数の和:4654

約数の個数: 32

約数和(自身を含む): 42430464

約数和(自身を除く): 20455742

約数列:

[1, 2, 7, 11, 14, 22, 31, 62, 77, 154, 217, 341, 434, 682, 2387, 4603, 4774, 9206, 32221, 50633, 64442, 101266, 142693, 285386, 354431, 708862, 998851, 1569623, 1997702, 3139246, 10987361, 21974722]

約数ペア:

[(1, 21974722), (2, 10987361), (7, 3139246), (11, 1997702), (14, 1569623), (22, 998851), (31, 708862), (62, 354431), (77, 285386), (154, 142693), (217, 101266), (341, 64442), (434, 50633), (682, 32221), (2387, 9206), (4603, 4774)]