21959098

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2663}}^1$

素因数の和:2722

約数の個数: 32

約数和(自身を含む): 40919040

約数和(自身を除く): 18959942

約数列:

[1, 2, 7, 14, 19, 31, 38, 62, 133, 217, 266, 434, 589, 1178, 2663, 4123, 5326, 8246, 18641, 37282, 50597, 82553, 101194, 165106, 354179, 577871, 708358, 1155742, 1568507, 3137014, 10979549, 21959098]

約数ペア:

[(1, 21959098), (2, 10979549), (7, 3137014), (14, 1568507), (19, 1155742), (31, 708358), (38, 577871), (62, 354179), (133, 165106), (217, 101194), (266, 82553), (434, 50597), (589, 37282), (1178, 18641), (2663, 8246), (4123, 5326)]