21772718

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{263}}^1$

素因数の和:400

約数の個数: 32

約数和(自身を含む): 36951552

約数和(自身を除く): 15178834

約数列:

[1, 2, 11, 22, 53, 71, 106, 142, 263, 526, 583, 781, 1166, 1562, 2893, 3763, 5786, 7526, 13939, 18673, 27878, 37346, 41393, 82786, 153329, 205403, 306658, 410806, 989669, 1979338, 10886359, 21772718]

約数ペア:

[(1, 21772718), (2, 10886359), (11, 1979338), (22, 989669), (53, 410806), (71, 306658), (106, 205403), (142, 153329), (263, 82786), (526, 41393), (583, 37346), (781, 27878), (1166, 18673), (1562, 13939), (2893, 7526), (3763, 5786)]