21867429

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{1657}}^1$

素因数の和:1796

約数の個数: 16

約数和(自身を含む): 30082752

約数和(自身を除く): 8215323

約数列:

[1, 3, 53, 83, 159, 249, 1657, 4399, 4971, 13197, 87821, 137531, 263463, 412593, 7289143, 21867429]

約数ペア:

[(1, 21867429), (3, 7289143), (53, 412593), (83, 263463), (159, 137531), (249, 87821), (1657, 13197), (4399, 4971)]