21817124

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{21059}}^1$

素因数の和:21107

約数の個数: 24

約数和(自身を含む): 44815680

約数和(自身を除く): 22998556

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 518, 1036, 21059, 42118, 84236, 147413, 294826, 589652, 779183, 1558366, 3116732, 5454281, 10908562, 21817124]

約数ペア:

[(1, 21817124), (2, 10908562), (4, 5454281), (7, 3116732), (14, 1558366), (28, 779183), (37, 589652), (74, 294826), (148, 147413), (259, 84236), (518, 42118), (1036, 21059)]