21041888

素因数分解:

$2^5\times 7^1\times {\mathrm{93937}}^1$

素因数の和:93954

約数の個数: 24

約数和(自身を含む): 47344752

約数和(自身を除く): 26302864

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 93937, 187874, 375748, 657559, 751496, 1315118, 1502992, 2630236, 3005984, 5260472, 10520944, 21041888]

約数ペア:

[(1, 21041888), (2, 10520944), (4, 5260472), (7, 3005984), (8, 2630236), (14, 1502992), (16, 1315118), (28, 751496), (32, 657559), (56, 375748), (112, 187874), (224, 93937)]