21692006

素因数分解:

$2^1\times 7^3\times {\mathrm{103}}^1\times {\mathrm{307}}^1$

素因数の和:433

約数の個数: 32

約数和(自身を含む): 38438400

約数和(自身を除く): 16746394

約数列:

[1, 2, 7, 14, 49, 98, 103, 206, 307, 343, 614, 686, 721, 1442, 2149, 4298, 5047, 10094, 15043, 30086, 31621, 35329, 63242, 70658, 105301, 210602, 221347, 442694, 1549429, 3098858, 10846003, 21692006]

約数ペア:

[(1, 21692006), (2, 10846003), (7, 3098858), (14, 1549429), (49, 442694), (98, 221347), (103, 210602), (206, 105301), (307, 70658), (343, 63242), (614, 35329), (686, 31621), (721, 30086), (1442, 15043), (2149, 10094), (4298, 5047)]