21350756

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{599}}^1$

素因数の和:696

約数の個数: 48

約数和(自身を含む): 45696000

約数和(自身を除く): 24345244

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 67, 76, 133, 134, 266, 268, 469, 532, 599, 938, 1198, 1273, 1876, 2396, 2546, 4193, 5092, 8386, 8911, 11381, 16772, 17822, 22762, 35644, 40133, 45524, 79667, 80266, 159334, 160532, 280931, 318668, 561862, 762527, 1123724, 1525054, 3050108, 5337689, 10675378, 21350756]

約数ペア:

[(1, 21350756), (2, 10675378), (4, 5337689), (7, 3050108), (14, 1525054), (19, 1123724), (28, 762527), (38, 561862), (67, 318668), (76, 280931), (133, 160532), (134, 159334), (266, 80266), (268, 79667), (469, 45524), (532, 40133), (599, 35644), (938, 22762), (1198, 17822), (1273, 16772), (1876, 11381), (2396, 8911), (2546, 8386), (4193, 5092)]