21343736

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{709}}^1$

素因数の和:839

約数の個数: 32

約数和(自身を含む): 41407200

約数和(自身を除く): 20063464

約数列:

[1, 2, 4, 8, 53, 71, 106, 142, 212, 284, 424, 568, 709, 1418, 2836, 3763, 5672, 7526, 15052, 30104, 37577, 50339, 75154, 100678, 150308, 201356, 300616, 402712, 2667967, 5335934, 10671868, 21343736]

約数ペア:

[(1, 21343736), (2, 10671868), (4, 5335934), (8, 2667967), (53, 402712), (71, 300616), (106, 201356), (142, 150308), (212, 100678), (284, 75154), (424, 50339), (568, 37577), (709, 30104), (1418, 15052), (2836, 7526), (3763, 5672)]