21962193

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{433}}^1$

素因数の和:529

約数の個数: 32

約数和(自身を含む): 33747840

約数和(自身を除く): 11785647

約数列:

[1, 3, 11, 29, 33, 53, 87, 159, 319, 433, 583, 957, 1299, 1537, 1749, 4611, 4763, 12557, 14289, 16907, 22949, 37671, 50721, 68847, 138127, 252439, 414381, 665521, 757317, 1996563, 7320731, 21962193]

約数ペア:

[(1, 21962193), (3, 7320731), (11, 1996563), (29, 757317), (33, 665521), (53, 414381), (87, 252439), (159, 138127), (319, 68847), (433, 50721), (583, 37671), (957, 22949), (1299, 16907), (1537, 14289), (1749, 12557), (4611, 4763)]