21379636

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{7603}}^1$

素因数の和:7663

約数の個数: 24

約数和(自身を含む): 40453280

約数和(自身を除く): 19073644

約数列:

[1, 2, 4, 19, 37, 38, 74, 76, 148, 703, 1406, 2812, 7603, 15206, 30412, 144457, 281311, 288914, 562622, 577828, 1125244, 5344909, 10689818, 21379636]

約数ペア:

[(1, 21379636), (2, 10689818), (4, 5344909), (19, 1125244), (37, 577828), (38, 562622), (74, 288914), (76, 281311), (148, 144457), (703, 30412), (1406, 15206), (2812, 7603)]