21447104

素因数分解:

$2^6\times 7^3\times {\mathrm{977}}^1$

素因数の和:1010

約数の個数: 56

約数和(自身を含む): 49682400

約数和(自身を除く): 28235296

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 196, 224, 343, 392, 448, 686, 784, 977, 1372, 1568, 1954, 2744, 3136, 3908, 5488, 6839, 7816, 10976, 13678, 15632, 21952, 27356, 31264, 47873, 54712, 62528, 95746, 109424, 191492, 218848, 335111, 382984, 437696, 670222, 765968, 1340444, 1531936, 2680888, 3063872, 5361776, 10723552, 21447104]

約数ペア:

[(1, 21447104), (2, 10723552), (4, 5361776), (7, 3063872), (8, 2680888), (14, 1531936), (16, 1340444), (28, 765968), (32, 670222), (49, 437696), (56, 382984), (64, 335111), (98, 218848), (112, 191492), (196, 109424), (224, 95746), (343, 62528), (392, 54712), (448, 47873), (686, 31264), (784, 27356), (977, 21952), (1372, 15632), (1568, 13678), (1954, 10976), (2744, 7816), (3136, 6839), (3908, 5488)]