21736784

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{25633}}^1$

素因数の和:25694

約数の個数: 20

約数和(自身を含む): 42911316

約数和(自身を除く): 21174532

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 25633, 51266, 102532, 205064, 410128, 1358549, 2717098, 5434196, 10868392, 21736784]

約数ペア:

[(1, 21736784), (2, 10868392), (4, 5434196), (8, 2717098), (16, 1358549), (53, 410128), (106, 205064), (212, 102532), (424, 51266), (848, 25633)]