211974

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{103}}^1$

素因数の和:129

約数の個数: 32

約数和(自身を含む): 499200

約数和(自身を除く): 287226

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 103, 147, 206, 294, 309, 343, 618, 686, 721, 1029, 1442, 2058, 2163, 4326, 5047, 10094, 15141, 30282, 35329, 70658, 105987, 211974]

約数ペア:

[(1, 211974), (2, 105987), (3, 70658), (6, 35329), (7, 30282), (14, 15141), (21, 10094), (42, 5047), (49, 4326), (98, 2163), (103, 2058), (147, 1442), (206, 1029), (294, 721), (309, 686), (343, 618)]