21993107374

素因数分解:

$2^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{757}}^1\times {\mathrm{3331}}^1$

素因数の和:4193

約数の個数: 48

約数和(自身を含む): 38869845840

約数和(自身を除く): 16876738466

約数列:

[1, 2, 7, 14, 49, 89, 98, 178, 623, 757, 1246, 1514, 3331, 4361, 5299, 6662, 8722, 10598, 23317, 37093, 46634, 67373, 74186, 134746, 163219, 296459, 326438, 471611, 592918, 943222, 2075213, 2521567, 3301277, 4150426, 5043134, 6602554, 14526491, 17650969, 29052982, 35301938, 123556783, 224419463, 247113566, 448838926, 1570936241, 3141872482, 10996553687, 21993107374]

約数ペア:

[(1, 21993107374), (2, 10996553687), (7, 3141872482), (14, 1570936241), (49, 448838926), (89, 247113566), (98, 224419463), (178, 123556783), (623, 35301938), (757, 29052982), (1246, 17650969), (1514, 14526491), (3331, 6602554), (4361, 5043134), (5299, 4150426), (6662, 3301277), (8722, 2521567), (10598, 2075213), (23317, 943222), (37093, 592918), (46634, 471611), (67373, 326438), (74186, 296459), (134746, 163219)]