21709576

素因数分解:

$2^3\times 7^1\times {\mathrm{139}}^1\times {\mathrm{2789}}^1$

素因数の和:2941

約数の個数: 32

約数和(自身を含む): 46872000

約数和(自身を除く): 25162424

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 139, 278, 556, 973, 1112, 1946, 2789, 3892, 5578, 7784, 11156, 19523, 22312, 39046, 78092, 156184, 387671, 775342, 1550684, 2713697, 3101368, 5427394, 10854788, 21709576]

約数ペア:

[(1, 21709576), (2, 10854788), (4, 5427394), (7, 3101368), (8, 2713697), (14, 1550684), (28, 775342), (56, 387671), (139, 156184), (278, 78092), (556, 39046), (973, 22312), (1112, 19523), (1946, 11156), (2789, 7784), (3892, 5578)]