21141568

素因数分解:

$2^6\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1151}}^1$

素因数の和:1211

約数の個数: 56

約数和(自身を含む): 49158144

約数和(自身を除く): 28016576

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 41, 56, 64, 82, 112, 164, 224, 287, 328, 448, 574, 656, 1148, 1151, 1312, 2296, 2302, 2624, 4592, 4604, 8057, 9184, 9208, 16114, 18368, 18416, 32228, 36832, 47191, 64456, 73664, 94382, 128912, 188764, 257824, 330337, 377528, 515648, 660674, 755056, 1321348, 1510112, 2642696, 3020224, 5285392, 10570784, 21141568]

約数ペア:

[(1, 21141568), (2, 10570784), (4, 5285392), (7, 3020224), (8, 2642696), (14, 1510112), (16, 1321348), (28, 755056), (32, 660674), (41, 515648), (56, 377528), (64, 330337), (82, 257824), (112, 188764), (164, 128912), (224, 94382), (287, 73664), (328, 64456), (448, 47191), (574, 36832), (656, 32228), (1148, 18416), (1151, 18368), (1312, 16114), (2296, 9208), (2302, 9184), (2624, 8057), (4592, 4604)]