21208726

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{3359}}^1$

素因数の和:3420

約数の個数: 32

約数和(自身を含む): 40642560

約数和(自身を除く): 19433834

約数列:

[1, 2, 7, 11, 14, 22, 41, 77, 82, 154, 287, 451, 574, 902, 3157, 3359, 6314, 6718, 23513, 36949, 47026, 73898, 137719, 258643, 275438, 517286, 964033, 1514909, 1928066, 3029818, 10604363, 21208726]

約数ペア:

[(1, 21208726), (2, 10604363), (7, 3029818), (11, 1928066), (14, 1514909), (22, 964033), (41, 517286), (77, 275438), (82, 258643), (154, 137719), (287, 73898), (451, 47026), (574, 36949), (902, 23513), (3157, 6718), (3359, 6314)]