21829766

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{281}}^1$

素因数の和:500

約数の個数: 32

約数和(自身を含む): 38983680

約数和(自身を除く): 17153914

約数列:

[1, 2, 7, 14, 31, 62, 179, 217, 281, 358, 434, 562, 1253, 1967, 2506, 3934, 5549, 8711, 11098, 17422, 38843, 50299, 60977, 77686, 100598, 121954, 352093, 704186, 1559269, 3118538, 10914883, 21829766]

約数ペア:

[(1, 21829766), (2, 10914883), (7, 3118538), (14, 1559269), (31, 704186), (62, 352093), (179, 121954), (217, 100598), (281, 77686), (358, 60977), (434, 50299), (562, 38843), (1253, 17422), (1967, 11098), (2506, 8711), (3934, 5549)]