21177344

素因数分解:

$2^{10}\times {\mathrm{20681}}^1$

素因数の和:20701

約数の個数: 22

約数和(自身を含む): 42336054

約数和(自身を除く): 21158710

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 20681, 41362, 82724, 165448, 330896, 661792, 1323584, 2647168, 5294336, 10588672, 21177344]

約数ペア:

[(1, 21177344), (2, 10588672), (4, 5294336), (8, 2647168), (16, 1323584), (32, 661792), (64, 330896), (128, 165448), (256, 82724), (512, 41362), (1024, 20681)]