21094514

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1\times {\mathrm{211}}^1$

素因数の和:450

約数の個数: 32

約数和(自身を含む): 37508736

約数和(自身を除く): 16414222

約数列:

[1, 2, 7, 14, 37, 74, 193, 211, 259, 386, 422, 518, 1351, 1477, 2702, 2954, 7141, 7807, 14282, 15614, 40723, 49987, 54649, 81446, 99974, 109298, 285061, 570122, 1506751, 3013502, 10547257, 21094514]

約数ペア:

[(1, 21094514), (2, 10547257), (7, 3013502), (14, 1506751), (37, 570122), (74, 285061), (193, 109298), (211, 99974), (259, 81446), (386, 54649), (422, 49987), (518, 40723), (1351, 15614), (1477, 14282), (2702, 7807), (2954, 7141)]