21023716

素因数分解:

$2^2\times 7^1\times {\mathrm{619}}^1\times {\mathrm{1213}}^1$

素因数の和:1843

約数の個数: 24

約数和(自身を含む): 42150080

約数和(自身を除く): 21126364

約数列:

[1, 2, 4, 7, 14, 28, 619, 1213, 1238, 2426, 2476, 4333, 4852, 8491, 8666, 16982, 17332, 33964, 750847, 1501694, 3003388, 5255929, 10511858, 21023716]

約数ペア:

[(1, 21023716), (2, 10511858), (4, 5255929), (7, 3003388), (14, 1501694), (28, 750847), (619, 33964), (1213, 17332), (1238, 16982), (2426, 8666), (2476, 8491), (4333, 4852)]