21476336

素因数分解:

$2^4\times 7^1\times {\mathrm{337}}^1\times {\mathrm{569}}^1$

素因数の和:921

約数の個数: 40

約数和(自身を含む): 47779680

約数和(自身を除く): 26303344

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 337, 569, 674, 1138, 1348, 2276, 2359, 2696, 3983, 4552, 4718, 5392, 7966, 9104, 9436, 15932, 18872, 31864, 37744, 63728, 191753, 383506, 767012, 1342271, 1534024, 2684542, 3068048, 5369084, 10738168, 21476336]

約数ペア:

[(1, 21476336), (2, 10738168), (4, 5369084), (7, 3068048), (8, 2684542), (14, 1534024), (16, 1342271), (28, 767012), (56, 383506), (112, 191753), (337, 63728), (569, 37744), (674, 31864), (1138, 18872), (1348, 15932), (2276, 9436), (2359, 9104), (2696, 7966), (3983, 5392), (4552, 4718)]