21739264

素因数分解:

$2^8\times {\mathrm{84919}}^1$

素因数の和:84935

約数の個数: 18

約数和(自身を含む): 43394120

約数和(自身を除く): 21654856

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 84919, 169838, 339676, 679352, 1358704, 2717408, 5434816, 10869632, 21739264]

約数ペア:

[(1, 21739264), (2, 10869632), (4, 5434816), (8, 2717408), (16, 1358704), (32, 679352), (64, 339676), (128, 169838), (256, 84919)]