21281708

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{26209}}^1$

素因数の和:26249

約数の個数: 24

約数和(自身を含む): 44032800

約数和(自身を除く): 22751092

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 203, 406, 812, 26209, 52418, 104836, 183463, 366926, 733852, 760061, 1520122, 3040244, 5320427, 10640854, 21281708]

約数ペア:

[(1, 21281708), (2, 10640854), (4, 5320427), (7, 3040244), (14, 1520122), (28, 760061), (29, 733852), (58, 366926), (116, 183463), (203, 104836), (406, 52418), (812, 26209)]