21064330

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{2663}}^1$

素因数の和:2790

約数の個数: 32

約数和(自身を含む): 43732224

約数和(自身を除く): 22667894

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 113, 226, 565, 791, 1130, 1582, 2663, 3955, 5326, 7910, 13315, 18641, 26630, 37282, 93205, 186410, 300919, 601838, 1504595, 2106433, 3009190, 4212866, 10532165, 21064330]

約数ペア:

[(1, 21064330), (2, 10532165), (5, 4212866), (7, 3009190), (10, 2106433), (14, 1504595), (35, 601838), (70, 300919), (113, 186410), (226, 93205), (565, 37282), (791, 26630), (1130, 18641), (1582, 13315), (2663, 7910), (3955, 5326)]