21875252

素因数分解:

$2^2\times 7^1\times {\mathrm{163}}^1\times {\mathrm{4793}}^1$

素因数の和:4967

約数の個数: 24

約数和(自身を含む): 44028096

約数和(自身を除く): 22152844

約数列:

[1, 2, 4, 7, 14, 28, 163, 326, 652, 1141, 2282, 4564, 4793, 9586, 19172, 33551, 67102, 134204, 781259, 1562518, 3125036, 5468813, 10937626, 21875252]

約数ペア:

[(1, 21875252), (2, 10937626), (4, 5468813), (7, 3125036), (14, 1562518), (28, 781259), (163, 134204), (326, 67102), (652, 33551), (1141, 19172), (2282, 9586), (4564, 4793)]