21472682

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19919}}^1$

素因数の和:19946

約数の個数: 24

約数和(自身を含む): 40875840

約数和(自身を除く): 19403158

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 154, 539, 1078, 19919, 39838, 139433, 219109, 278866, 438218, 976031, 1533763, 1952062, 3067526, 10736341, 21472682]

約数ペア:

[(1, 21472682), (2, 10736341), (7, 3067526), (11, 1952062), (14, 1533763), (22, 976031), (49, 438218), (77, 278866), (98, 219109), (154, 139433), (539, 39838), (1078, 19919)]