21145792

素因数分解:

$2^6\times {\mathrm{139}}^1\times {\mathrm{2377}}^1$

素因数の和:2528

約数の個数: 28

約数和(自身を含む): 42280840

約数和(自身を除く): 21135048

約数列:

[1, 2, 4, 8, 16, 32, 64, 139, 278, 556, 1112, 2224, 2377, 4448, 4754, 8896, 9508, 19016, 38032, 76064, 152128, 330403, 660806, 1321612, 2643224, 5286448, 10572896, 21145792]

約数ペア:

[(1, 21145792), (2, 10572896), (4, 5286448), (8, 2643224), (16, 1321612), (32, 660806), (64, 330403), (139, 152128), (278, 76064), (556, 38032), (1112, 19016), (2224, 9508), (2377, 8896), (4448, 4754)]