21317744

素因数分解:

$2^4\times 7^2\times {\mathrm{27191}}^1$

素因数の和:27213

約数の個数: 30

約数和(自身を含む): 48048264

約数和(自身を除く): 26730520

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 27191, 54382, 108764, 190337, 217528, 380674, 435056, 761348, 1332359, 1522696, 2664718, 3045392, 5329436, 10658872, 21317744]

約数ペア:

[(1, 21317744), (2, 10658872), (4, 5329436), (7, 3045392), (8, 2664718), (14, 1522696), (16, 1332359), (28, 761348), (49, 435056), (56, 380674), (98, 217528), (112, 190337), (196, 108764), (392, 54382), (784, 27191)]