921438

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:189

約数の個数: 48

約数和(自身を含む): 2336256

約数和(自身を除く): 1414818

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 71, 103, 126, 142, 206, 213, 309, 426, 497, 618, 639, 721, 927, 994, 1278, 1442, 1491, 1854, 2163, 2982, 4326, 4473, 6489, 7313, 8946, 12978, 14626, 21939, 43878, 51191, 65817, 102382, 131634, 153573, 307146, 460719, 921438]

約数ペア:

[(1, 921438), (2, 460719), (3, 307146), (6, 153573), (7, 131634), (9, 102382), (14, 65817), (18, 51191), (21, 43878), (42, 21939), (63, 14626), (71, 12978), (103, 8946), (126, 7313), (142, 6489), (206, 4473), (213, 4326), (309, 2982), (426, 2163), (497, 1854), (618, 1491), (639, 1442), (721, 1278), (927, 994)]