21299681948

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{337}}^1\times {\mathrm{5297}}^1$

素因数の和:5814

約数の個数: 48

約数和(自身を含む): 39610814880

約数和(自身を除く): 18311132932

約数列:

[1, 2, 4, 19, 38, 76, 157, 314, 337, 628, 674, 1348, 2983, 5297, 5966, 6403, 10594, 11932, 12806, 21188, 25612, 52909, 100643, 105818, 201286, 211636, 402572, 831629, 1005271, 1663258, 1785089, 2010542, 3326516, 3570178, 4021084, 7140356, 15800951, 31601902, 33916691, 63203804, 67833382, 135666764, 280258973, 560517946, 1121035892, 5324920487, 10649840974, 21299681948]

約数ペア:

[(1, 21299681948), (2, 10649840974), (4, 5324920487), (19, 1121035892), (38, 560517946), (76, 280258973), (157, 135666764), (314, 67833382), (337, 63203804), (628, 33916691), (674, 31601902), (1348, 15800951), (2983, 7140356), (5297, 4021084), (5966, 3570178), (6403, 3326516), (10594, 2010542), (11932, 1785089), (12806, 1663258), (21188, 1005271), (25612, 831629), (52909, 402572), (100643, 211636), (105818, 201286)]