21506966

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{19237}}^1$

素因数の和:19295

約数の個数: 16

約数和(自身を含む): 35551824

約数和(自身を除く): 14044858

約数列:

[1, 2, 13, 26, 43, 86, 559, 1118, 19237, 38474, 250081, 500162, 827191, 1654382, 10753483, 21506966]

約数ペア:

[(1, 21506966), (2, 10753483), (13, 1654382), (26, 827191), (43, 500162), (86, 250081), (559, 38474), (1118, 19237)]