21301490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{1759}}^1$

素因数の和:1946

約数の個数: 32

約数和(自身を含む): 44098560

約数和(自身を除く): 22797070

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 173, 346, 865, 1211, 1730, 1759, 2422, 3518, 6055, 8795, 12110, 12313, 17590, 24626, 61565, 123130, 304307, 608614, 1521535, 2130149, 3043070, 4260298, 10650745, 21301490]

約数ペア:

[(1, 21301490), (2, 10650745), (5, 4260298), (7, 3043070), (10, 2130149), (14, 1521535), (35, 608614), (70, 304307), (173, 123130), (346, 61565), (865, 24626), (1211, 17590), (1730, 12313), (1759, 12110), (2422, 8795), (3518, 6055)]