21941024

素因数分解:

$2^5\times 7^3\times {\mathrm{1999}}^1$

素因数の和:2030

約数の個数: 48

約数和(自身を含む): 50400000

約数和(自身を除く): 28458976

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 343, 392, 686, 784, 1372, 1568, 1999, 2744, 3998, 5488, 7996, 10976, 13993, 15992, 27986, 31984, 55972, 63968, 97951, 111944, 195902, 223888, 391804, 447776, 685657, 783608, 1371314, 1567216, 2742628, 3134432, 5485256, 10970512, 21941024]

約数ペア:

[(1, 21941024), (2, 10970512), (4, 5485256), (7, 3134432), (8, 2742628), (14, 1567216), (16, 1371314), (28, 783608), (32, 685657), (49, 447776), (56, 391804), (98, 223888), (112, 195902), (196, 111944), (224, 97951), (343, 63968), (392, 55972), (686, 31984), (784, 27986), (1372, 15992), (1568, 13993), (1999, 10976), (2744, 7996), (3998, 5488)]