21949956

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{87103}}^1$

素因数の和:87120

約数の個数: 36

約数和(自身を含む): 63411712

約数和(自身を除く): 41461756

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 87103, 174206, 261309, 348412, 522618, 609721, 783927, 1045236, 1219442, 1567854, 1829163, 2438884, 3135708, 3658326, 5487489, 7316652, 10974978, 21949956]

約数ペア:

[(1, 21949956), (2, 10974978), (3, 7316652), (4, 5487489), (6, 3658326), (7, 3135708), (9, 2438884), (12, 1829163), (14, 1567854), (18, 1219442), (21, 1045236), (28, 783927), (36, 609721), (42, 522618), (63, 348412), (84, 261309), (126, 174206), (252, 87103)]