21514612

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1093}}^1$

素因数の和:1160

約数の個数: 48

約数和(自身を含む): 46560640

約数和(自身を除く): 25046028

約数列:

[1, 2, 4, 7, 14, 19, 28, 37, 38, 74, 76, 133, 148, 259, 266, 518, 532, 703, 1036, 1093, 1406, 2186, 2812, 4372, 4921, 7651, 9842, 15302, 19684, 20767, 30604, 40441, 41534, 80882, 83068, 145369, 161764, 283087, 290738, 566174, 581476, 768379, 1132348, 1536758, 3073516, 5378653, 10757306, 21514612]

約数ペア:

[(1, 21514612), (2, 10757306), (4, 5378653), (7, 3073516), (14, 1536758), (19, 1132348), (28, 768379), (37, 581476), (38, 566174), (74, 290738), (76, 283087), (133, 161764), (148, 145369), (259, 83068), (266, 80882), (518, 41534), (532, 40441), (703, 30604), (1036, 20767), (1093, 19684), (1406, 15302), (2186, 9842), (2812, 7651), (4372, 4921)]