21055264

素因数分解:

$2^5\times {\mathrm{89}}^1\times {\mathrm{7393}}^1$

素因数の和:7492

約数の個数: 24

約数和(自身を含む): 41923980

約数和(自身を除く): 20868716

約数列:

[1, 2, 4, 8, 16, 32, 89, 178, 356, 712, 1424, 2848, 7393, 14786, 29572, 59144, 118288, 236576, 657977, 1315954, 2631908, 5263816, 10527632, 21055264]

約数ペア:

[(1, 21055264), (2, 10527632), (4, 5263816), (8, 2631908), (16, 1315954), (32, 657977), (89, 236576), (178, 118288), (356, 59144), (712, 29572), (1424, 14786), (2848, 7393)]