21197036

素因数分解:

$2^2\times 7^1\times {\mathrm{619}}^1\times {\mathrm{1223}}^1$

素因数の和:1853

約数の個数: 24

約数和(自身を含む): 42497280

約数和(自身を除く): 21300244

約数列:

[1, 2, 4, 7, 14, 28, 619, 1223, 1238, 2446, 2476, 4333, 4892, 8561, 8666, 17122, 17332, 34244, 757037, 1514074, 3028148, 5299259, 10598518, 21197036]

約数ペア:

[(1, 21197036), (2, 10598518), (4, 5299259), (7, 3028148), (14, 1514074), (28, 757037), (619, 34244), (1223, 17332), (1238, 17122), (2446, 8666), (2476, 8561), (4333, 4892)]