21915392

素因数分解:

$2^8\times {\mathrm{85607}}^1$

素因数の和:85623

約数の個数: 18

約数和(自身を含む): 43745688

約数和(自身を除く): 21830296

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 85607, 171214, 342428, 684856, 1369712, 2739424, 5478848, 10957696, 21915392]

約数ペア:

[(1, 21915392), (2, 10957696), (4, 5478848), (8, 2739424), (16, 1369712), (32, 684856), (64, 342428), (128, 171214), (256, 85607)]