21723136

素因数分解:

$2^{11}\times {\mathrm{10607}}^1$

素因数の和:10629

約数の個数: 24

約数和(自身を含む): 43439760

約数和(自身を除く): 21716624

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 10607, 21214, 42428, 84856, 169712, 339424, 678848, 1357696, 2715392, 5430784, 10861568, 21723136]

約数ペア:

[(1, 21723136), (2, 10861568), (4, 5430784), (8, 2715392), (16, 1357696), (32, 678848), (64, 339424), (128, 169712), (256, 84856), (512, 42428), (1024, 21214), (2048, 10607)]