21013676319

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{1627}}^1\times {\mathrm{253247}}^1$

素因数の和:254894

約数の個数: 16

約数和(自身を含む): 29684717568

約数和(自身を除く): 8671041249

約数列:

[1, 3, 17, 51, 1627, 4881, 27659, 82977, 253247, 759741, 4305199, 12915597, 412032869, 1236098607, 7004558773, 21013676319]

約数ペア:

[(1, 21013676319), (3, 7004558773), (17, 1236098607), (51, 412032869), (1627, 12915597), (4881, 4305199), (27659, 759741), (82977, 253247)]