21750896

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{71549}}^1$

素因数の和:71576

約数の個数: 20

約数和(自身を含む): 44361000

約数和(自身を除く): 22610104

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 71549, 143098, 286196, 572392, 1144784, 1359431, 2718862, 5437724, 10875448, 21750896]

約数ペア:

[(1, 21750896), (2, 10875448), (4, 5437724), (8, 2718862), (16, 1359431), (19, 1144784), (38, 572392), (76, 286196), (152, 143098), (304, 71549)]