21095526172

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{167}}^1\times {\mathrm{121931}}^1$

素因数の和:122146

約数の個数: 48

約数和(自身を含む): 43591177728

約数和(自身を除く): 22495651556

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 167, 259, 334, 518, 668, 1036, 1169, 2338, 4676, 6179, 12358, 24716, 43253, 86506, 121931, 173012, 243862, 487724, 853517, 1707034, 3414068, 4511447, 9022894, 18045788, 20362477, 31580129, 40724954, 63160258, 81449908, 126320516, 142537339, 285074678, 570149356, 753411649, 1506823298, 3013646596, 5273881543, 10547763086, 21095526172]

約数ペア:

[(1, 21095526172), (2, 10547763086), (4, 5273881543), (7, 3013646596), (14, 1506823298), (28, 753411649), (37, 570149356), (74, 285074678), (148, 142537339), (167, 126320516), (259, 81449908), (334, 63160258), (518, 40724954), (668, 31580129), (1036, 20362477), (1169, 18045788), (2338, 9022894), (4676, 4511447), (6179, 3414068), (12358, 1707034), (24716, 853517), (43253, 487724), (86506, 243862), (121931, 173012)]