21895168

素因数分解:

$2^{11}\times {\mathrm{10691}}^1$

素因数の和:10713

約数の個数: 24

約数和(自身を含む): 43783740

約数和(自身を除く): 21888572

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 10691, 21382, 42764, 85528, 171056, 342112, 684224, 1368448, 2736896, 5473792, 10947584, 21895168]

約数ペア:

[(1, 21895168), (2, 10947584), (4, 5473792), (8, 2736896), (16, 1368448), (32, 684224), (64, 342112), (128, 171056), (256, 85528), (512, 42764), (1024, 21382), (2048, 10691)]