21372928

素因数分解:

$2^{13}\times {\mathrm{2609}}^1$

素因数の和:2635

約数の個数: 28

約数和(自身を含む): 42759630

約数和(自身を除く): 21386702

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 2609, 4096, 5218, 8192, 10436, 20872, 41744, 83488, 166976, 333952, 667904, 1335808, 2671616, 5343232, 10686464, 21372928]

約数ペア:

[(1, 21372928), (2, 10686464), (4, 5343232), (8, 2671616), (16, 1335808), (32, 667904), (64, 333952), (128, 166976), (256, 83488), (512, 41744), (1024, 20872), (2048, 10436), (2609, 8192), (4096, 5218)]