21493184

素因数分解:

$2^6\times {\mathrm{41}}^1\times {\mathrm{8191}}^1$

素因数の和:8244

約数の個数: 28

約数和(自身を含む): 43696128

約数和(自身を除く): 22202944

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 82, 164, 328, 656, 1312, 2624, 8191, 16382, 32764, 65528, 131056, 262112, 335831, 524224, 671662, 1343324, 2686648, 5373296, 10746592, 21493184]

約数ペア:

[(1, 21493184), (2, 10746592), (4, 5373296), (8, 2686648), (16, 1343324), (32, 671662), (41, 524224), (64, 335831), (82, 262112), (164, 131056), (328, 65528), (656, 32764), (1312, 16382), (2624, 8191)]