21538952

素因数分解:

$2^3\times {\mathrm{1439}}^1\times {\mathrm{1871}}^1$

素因数の和:3316

約数の個数: 16

約数和(自身を含む): 40435200

約数和(自身を除く): 18896248

約数列:

[1, 2, 4, 8, 1439, 1871, 2878, 3742, 5756, 7484, 11512, 14968, 2692369, 5384738, 10769476, 21538952]

約数ペア:

[(1, 21538952), (2, 10769476), (4, 5384738), (8, 2692369), (1439, 14968), (1871, 11512), (2878, 7484), (3742, 5756)]