21767135

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{541}}^1\times {\mathrm{619}}^1$

素因数の和:1178

約数の個数: 16

約数和(自身を含む): 28227360

約数和(自身を除く): 6460225

約数列:

[1, 5, 13, 65, 541, 619, 2705, 3095, 7033, 8047, 35165, 40235, 334879, 1674395, 4353427, 21767135]

約数ペア:

[(1, 21767135), (5, 4353427), (13, 1674395), (65, 334879), (541, 40235), (619, 35165), (2705, 8047), (3095, 7033)]