21301028

素因数分解:

$2^2\times 7^1\times {\mathrm{619}}^1\times {\mathrm{1229}}^1$

素因数の和:1859

約数の個数: 24

約数和(自身を含む): 42705600

約数和(自身を除く): 21404572

約数列:

[1, 2, 4, 7, 14, 28, 619, 1229, 1238, 2458, 2476, 4333, 4916, 8603, 8666, 17206, 17332, 34412, 760751, 1521502, 3043004, 5325257, 10650514, 21301028]

約数ペア:

[(1, 21301028), (2, 10650514), (4, 5325257), (7, 3043004), (14, 1521502), (28, 760751), (619, 34412), (1229, 17332), (1238, 17206), (2458, 8666), (2476, 8603), (4333, 4916)]