21004282

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47521}}^1$

素因数の和:47553

約数の個数: 16

約数和(自身を含む): 35926632

約数和(自身を除く): 14922350

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 47521, 95042, 617773, 807857, 1235546, 1615714, 10502141, 21004282]

約数ペア:

[(1, 21004282), (2, 10502141), (13, 1615714), (17, 1235546), (26, 807857), (34, 617773), (221, 95042), (442, 47521)]