21929264

素因数分解:

$2^4\times 7^2\times {\mathrm{83}}^1\times {\mathrm{337}}^1$

素因数の和:442

約数の個数: 60

約数和(自身を含む): 50168664

約数和(自身を除く): 28239400

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 83, 98, 112, 166, 196, 332, 337, 392, 581, 664, 674, 784, 1162, 1328, 1348, 2324, 2359, 2696, 4067, 4648, 4718, 5392, 8134, 9296, 9436, 16268, 16513, 18872, 27971, 32536, 33026, 37744, 55942, 65072, 66052, 111884, 132104, 195797, 223768, 264208, 391594, 447536, 783188, 1370579, 1566376, 2741158, 3132752, 5482316, 10964632, 21929264]

約数ペア:

[(1, 21929264), (2, 10964632), (4, 5482316), (7, 3132752), (8, 2741158), (14, 1566376), (16, 1370579), (28, 783188), (49, 447536), (56, 391594), (83, 264208), (98, 223768), (112, 195797), (166, 132104), (196, 111884), (332, 66052), (337, 65072), (392, 55942), (581, 37744), (664, 33026), (674, 32536), (784, 27971), (1162, 18872), (1328, 16513), (1348, 16268), (2324, 9436), (2359, 9296), (2696, 8134), (4067, 5392), (4648, 4718)]