21653656

素因数分解:

$2^3\times {\mathrm{577}}^1\times {\mathrm{4691}}^1$

素因数の和:5274

約数の個数: 16

約数和(自身を含む): 40679640

約数和(自身を除く): 19025984

約数列:

[1, 2, 4, 8, 577, 1154, 2308, 4616, 4691, 9382, 18764, 37528, 2706707, 5413414, 10826828, 21653656]

約数ペア:

[(1, 21653656), (2, 10826828), (4, 5413414), (8, 2706707), (577, 37528), (1154, 18764), (2308, 9382), (4616, 4691)]